(10^141). This is an immensely massive number!
A Sesquadragintillionaire is someone whos assets, net worth or wealth is 1 or more Sesquadragintillion. It is unlikely anyone will ever be a true Sesquadragintillionaire. If you want to be a Sesquadragintillionaire, play Tap Tales!
Sesquadragintillion is not the largest number.
best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.