115315840131 has 16 divisors (see below), whose sum is σ = 153918054528. Its totient is φ = 76795473600.

The previous prime is 115315840097. The next prime is 115315840151. The reversal of 115315840131 is 131048513511.

It is not a de Polignac number, because 115315840131 - 2¹⁷ = 115315709059 is a prime.

It is a super-2 number, since 2×115315840131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115315840092 and 115315840101.

It is not an unprimeable number, because it can be changed into a prime (115315840151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18125391 + ... + 18131751.

It is an arithmetic number, because the mean of its divisors is an integer number (9619878408).

Almost surely, 2^115315840131 is an apocalyptic number.

115315840131 is a deficient number, since it is larger than the sum of its proper divisors (38602214397).

115315840131 is a wasteful number, since it uses less digits than its factorization.

115315840131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 115315840131 in words is "one hundred fifteen billion, three hundred fifteen million, eight hundred forty thousand, one hundred thirty-one".