118637155972 has 12 divisors (see below), whose sum is σ = 207669017920. Its totient is φ = 59303150856.

The previous prime is 118637155963. The next prime is 118637155981. The reversal of 118637155972 is 279551736811.

It is an interprime number because it is at equal distance from previous prime (118637155963) and next prime (118637155981).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839472 + ... + 3870247.

Almost surely, 2^118637155972 is an apocalyptic number.

It is an amenable number.

118637155972 is a deficient number, since it is larger than the sum of its proper divisors (89031861948).

118637155972 is a wasteful number, since it uses less digits than its factorization.

118637155972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713570 (or 7713568 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 55.

The spelling of 118637155972 in words is "one hundred eighteen billion, six hundred thirty-seven million, one hundred fifty-five thousand, nine hundred seventy-two".