115279558038 has 48 divisors (see below), whose sum is σ = 255235968000. Its totient is φ = 37586924208.

The previous prime is 115279558027. The next prime is 115279558039. The reversal of 115279558038 is 830855972511.

115279558038 is a `hidden beast` number, since 1 + 1 + 5 + 27 + 9 + 5 + 580 + 38 = 666.

It is a super-2 number, since 2×115279558038² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115279558039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1438963 + ... + 1516961.

It is an arithmetic number, because the mean of its divisors is an integer number (5317416000).

Almost surely, 2^115279558038 is an apocalyptic number.

115279558038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115279558038 is an abundant number, since it is smaller than the sum of its proper divisors (139956409962).

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

115279558038 is a wasteful number, since it uses less digits than its factorization.

115279558038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79801 (or 79798 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The spelling of 115279558038 in words is "one hundred fifteen billion, two hundred seventy-nine million, five hundred fifty-eight thousand, thirty-eight".