118137564031 has 4 divisors (see below), whose sum is σ = 118138256992. Its totient is φ = 118136871072.

The previous prime is 118137563969. The next prime is 118137564107. The reversal of 118137564031 is 130465731811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 118137564031 - 2¹³ = 118137555839 is a prime.

It is a super-2 number, since 2×118137564031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118137564731) 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, 107671 + ... + 497863.

It is an arithmetic number, because the mean of its divisors is an integer number (29534564248).

Almost surely, 2^118137564031 is an apocalyptic number.

118137564031 is a deficient number, since it is larger than the sum of its proper divisors (692961).

118137564031 is an equidigital number, since it uses as much as digits as its factorization.

118137564031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692960.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 118137564031 in words is "one hundred eighteen billion, one hundred thirty-seven million, five hundred sixty-four thousand, thirty-one".