118724321856 has 84 divisors (see below), whose sum is σ = 365410473648. Its totient is φ = 33921232128.

The previous prime is 118724321791. The next prime is 118724321917. The reversal of 118724321856 is 658123427811.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6300346 + ... + 6319161.

Almost surely, 2^118724321856 is an apocalyptic number.

118724321856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

118724321856 is an abundant number, since it is smaller than the sum of its proper divisors (246686151792).

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

118724321856 is a wasteful number, since it uses less digits than its factorization.

118724321856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12619536 (or 12619519 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The spelling of 118724321856 in words is "one hundred eighteen billion, seven hundred twenty-four million, three hundred twenty-one thousand, eight hundred fifty-six".