Gaxoogol is a number in the googol family, formed by substituting X = 10 for -az- variable infix, as in the zazzification of billion into bazillion. It is equal to g(10, 50, 100), a hundred-hendekated-to-the-fiftieth.

The term was coined by André Joyce.[1]

  1. Pointless Gigantic List of Numbers - Part 3: The Friendly Preliminaries