Write it how? Seeing as Rayo’s number is defined as the smallest number bigger than what can be written in first order set theory with a googol symbols, you could probably write down the number with, say, googol+1 symbols. Or let’s just say 2*googol symbols, that should certainly be enough. It would not take Rayo’s number amount of seconds to write down 2 * googol symbols.
Write it how? Seeing as Rayo’s number is defined as the smallest number bigger than what can be written in first order set theory with a googol symbols, you could probably write down the number with, say, googol+1 symbols. Or let’s just say 2*googol symbols, that should certainly be enough. It would not take Rayo’s number amount of seconds to write down 2 * googol symbols.
TL;DR: No.