115232751531 has 24 divisors (see below), whose sum is σ = 167073326784. Its totient is φ = 76533248880.

The previous prime is 115232751511. The next prime is 115232751541. The reversal of 115232751531 is 135157232511.

115232751531 is a `hidden beast` number, since 1 + 1 + 52 + 3 + 2 + 75 + 1 + 531 = 666.

It is not a de Polignac number, because 115232751531 - 2¹⁴ = 115232735147 is a prime.

It is a super-2 number, since 2×115232751531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115232751511) 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, 4237480 + ... + 4264586.

It is an arithmetic number, because the mean of its divisors is an integer number (6961388616).

Almost surely, 2^115232751531 is an apocalyptic number.

115232751531 is a deficient number, since it is larger than the sum of its proper divisors (51840575253).

115232751531 is a wasteful number, since it uses less digits than its factorization.

115232751531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28871 (or 28868 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The spelling of 115232751531 in words is "one hundred fifteen billion, two hundred thirty-two million, seven hundred fifty-one thousand, five hundred thirty-one".