115012352531 has 4 divisors (see below), whose sum is σ = 115019313864. Its totient is φ = 115005391200.

The previous prime is 115012352503. The next prime is 115012352563. The reversal of 115012352531 is 135253210511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135253210511 = 60527 ⋅2234593.

It is a cyclic number.

It is not a de Polignac number, because 115012352531 - 2²² = 115008158227 is a prime.

It is a super-2 number, since 2×115012352531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115012352494 and 115012352503.

It is not an unprimeable number, because it can be changed into a prime (115012352591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455825 + ... + 3488946.

It is an arithmetic number, because the mean of its divisors is an integer number (28754828466).

Almost surely, 2^115012352531 is an apocalyptic number.

115012352531 is a deficient number, since it is larger than the sum of its proper divisors (6961333).

115012352531 is an equidigital number, since it uses as much as digits as its factorization.

115012352531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961332.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 115012352531 in words is "one hundred fifteen billion, twelve million, three hundred fifty-two thousand, five hundred thirty-one".