118993538931 has 16 divisors (see below), whose sum is σ = 160452564480. Its totient is φ = 78434213760.

The previous prime is 118993538897. The next prime is 118993538957. The reversal of 118993538931 is 139835399811.

It is not a de Polignac number, because 118993538931 - 2⁷ = 118993538803 is a prime.

It is a super-2 number, since 2×118993538931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118993538971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110166 + ... + 500123.

It is an arithmetic number, because the mean of its divisors is an integer number (10028285280).

Almost surely, 2^118993538931 is an apocalyptic number.

118993538931 is a deficient number, since it is larger than the sum of its proper divisors (41459025549).

118993538931 is a wasteful number, since it uses less digits than its factorization.

118993538931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611026.

The product of its digits is 6298560, while the sum is 60.

The spelling of 118993538931 in words is "one hundred eighteen billion, nine hundred ninety-three million, five hundred thirty-eight thousand, nine hundred thirty-one".