117811491632 has 20 divisors (see below), whose sum is σ = 229901925960. Its totient is φ = 58481962368.

The previous prime is 117811491601. The next prime is 117811491647. The reversal of 117811491632 is 236194118711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26484173 + ... + 26488620.

It is an arithmetic number, because the mean of its divisors is an integer number (11495096298).

Almost surely, 2^117811491632 is an apocalyptic number.

It is an amenable number.

117811491632 is a deficient number, since it is larger than the sum of its proper divisors (112090434328).

117811491632 is a wasteful number, since it uses less digits than its factorization.

117811491632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52972940 (or 52972934 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The spelling of 117811491632 in words is "one hundred seventeen billion, eight hundred eleven million, four hundred ninety-one thousand, six hundred thirty-two".