115172558500 has 24 divisors (see below), whose sum is σ = 251536868856. Its totient is φ = 46069023200.

The previous prime is 115172558483. The next prime is 115172558549. The reversal of 115172558500 is 5855271511.

It can be written as a sum of positive squares in 4 ways, for example, as 2292685924 + 112879872576 = 47882^2 + 335976^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115172059 + ... + 115173058.

It is an arithmetic number, because the mean of its divisors is an integer number (10480702869).

Almost surely, 2^115172558500 is an apocalyptic number.

115172558500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115172558500 is an abundant number, since it is smaller than the sum of its proper divisors (136364310356).

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

115172558500 is a wasteful number, since it uses less digits than its factorization.

115172558500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230345136 (or 230345124 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 40.

The spelling of 115172558500 in words is "one hundred fifteen billion, one hundred seventy-two million, five hundred fifty-eight thousand, five hundred".