115427113731 has 18 divisors (see below), whose sum is σ = 175509969180. Its totient is φ = 72898529040.

The previous prime is 115427113721. The next prime is 115427113733. The reversal of 115427113731 is 137311724511.

115427113731 is a `hidden beast` number, since 1 + 1 + 542 + 71 + 13 + 7 + 31 = 666.

It is not a de Polignac number, because 115427113731 - 2¹⁰ = 115427112707 is a prime.

It is a super-2 number, since 2×115427113731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115427113733) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4429761 + ... + 4455741.

Almost surely, 2^115427113731 is an apocalyptic number.

115427113731 is a deficient number, since it is larger than the sum of its proper divisors (60082855449).

115427113731 is an frugal number, since it uses more digits than its factorization.

115427113731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51987 (or 26003 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The spelling of 115427113731 in words is "one hundred fifteen billion, four hundred twenty-seven million, one hundred thirteen thousand, seven hundred thirty-one".