115105052531 has 24 divisors (see below), whose sum is σ = 139931877120. Its totient is φ = 92731669632.

The previous prime is 115105052507. The next prime is 115105052549. The reversal of 115105052531 is 135250501511.

It is not a de Polignac number, because 115105052531 - 2⁶ = 115105052467 is a prime.

It is a super-2 number, since 2×115105052531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115105052494 and 115105052503.

It is not an unprimeable number, because it can be changed into a prime (115105052501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1464800 + ... + 1541378.

It is an arithmetic number, because the mean of its divisors is an integer number (5830494880).

Almost surely, 2^115105052531 is an apocalyptic number.

115105052531 is a deficient number, since it is larger than the sum of its proper divisors (24826824589).

115105052531 is an equidigital number, since it uses as much as digits as its factorization.

115105052531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77363 (or 77346 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 115105052531 in words is "one hundred fifteen billion, one hundred five million, fifty-two thousand, five hundred thirty-one".