115506559646880 has 192 divisors, whose sum is σ = 387400579251840. Its totient is φ = 28827926626304.

The previous prime is 115506559646869. The next prime is 115506559646899. The reversal of 115506559646880 is 88646955605511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38079069 + ... + 41000348.

It is an arithmetic number, because the mean of its divisors is an integer number (2017711350270).

Almost surely, 2^{115506559646880} is an apocalyptic number.

115506559646880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115506559646880 is an abundant number, since it is smaller than the sum of its proper divisors (271894019604960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115506559646880 is a wasteful number, since it uses less digits than its factorization.

115506559646880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79079631 (or 79079623 counting only the distinct ones).

The product of its (nonzero) digits is 311040000, while the sum is 69.

The spelling of 115506559646880 in words is "one hundred fifteen trillion, five hundred six billion, five hundred fifty-nine million, six hundred forty-six thousand, eight hundred eighty".