115112531021 has 8 divisors (see below), whose sum is σ = 115286431680. Its totient is φ = 114938742688.

The previous prime is 115112531011. The next prime is 115112531059. The reversal of 115112531021 is 120135211511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115112531021 - 2³⁰ = 114038789197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115112531011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148800 + ... + 2201718.

It is an arithmetic number, because the mean of its divisors is an integer number (14410803960).

Almost surely, 2^115112531021 is an apocalyptic number.

It is an amenable number.

115112531021 is a deficient number, since it is larger than the sum of its proper divisors (173900659).

115112531021 is an equidigital number, since it uses as much as digits as its factorization.

115112531021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56163.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 115112531021 its reverse (120135211511), we get a palindrome (235247742532).

The spelling of 115112531021 in words is "one hundred fifteen billion, one hundred twelve million, five hundred thirty-one thousand, twenty-one".