118297538831 has 8 divisors (see below), whose sum is σ = 118830558000. Its totient is φ = 117764663040.

The previous prime is 118297538803. The next prime is 118297538857. The reversal of 118297538831 is 138835792811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118297538831 is a prime.

It is a super-2 number, since 2×118297538831² (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 (118297558831) 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, 1837220 + ... + 1900518.

It is an arithmetic number, because the mean of its divisors is an integer number (14853819750).

Almost surely, 2^118297538831 is an apocalyptic number.

118297538831 is a deficient number, since it is larger than the sum of its proper divisors (533019169).

118297538831 is an equidigital number, since it uses as much as digits as its factorization.

118297538831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71689.

The product of its digits is 2903040, while the sum is 56.

The spelling of 118297538831 in words is "one hundred eighteen billion, two hundred ninety-seven million, five hundred thirty-eight thousand, eight hundred thirty-one".