118521987720 has 64 divisors (see below), whose sum is σ = 355588643520. Its totient is φ = 31603847424.

The previous prime is 118521987671. The next prime is 118521987751. The reversal of 118521987720 is 27789125811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506742 + ... + 3540378.

It is an arithmetic number, because the mean of its divisors is an integer number (5556072555).

Almost surely, 2^118521987720 is an apocalyptic number.

118521987720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118521987720 is an abundant number, since it is smaller than the sum of its proper divisors (237066655800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118521987720 is a wasteful number, since it uses less digits than its factorization.

118521987720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63014 (or 63010 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 51.

The spelling of 118521987720 in words is "one hundred eighteen billion, five hundred twenty-one million, nine hundred eighty-seven thousand, seven hundred twenty".