Definition/Meaning of googolplex

• English - Numeral: googolplex ( plural googolplexes ) ( cardinal ) The number , ten to the power of a googol . 1980 , Carl Sagan , Cosmos , chapter IX If the universe were packed solid with neutrons , say , so there was no empty space anywhere , there would still only be about 10 128 particles in it , quite a bit more than a googol but trivially small compared to a googolplex . Related terms googol Translations
• Portuguese - Numeral: googolplex