118557153792 has 640 divisors, whose sum is σ = 441480314880. Its totient is φ = 30516756480.

The previous prime is 118557153787. The next prime is 118557153809. The reversal of 118557153792 is 297351755811.

118557153792 is a `hidden beast` number, since 1 + 1 + 8 + 557 + 15 + 3 + 79 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135184458 + ... + 135185334.

It is an arithmetic number, because the mean of its divisors is an integer number (689812992).

Almost surely, 2^118557153792 is an apocalyptic number.

118557153792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118557153792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220740157440).

118557153792 is an abundant number, since it is smaller than the sum of its proper divisors (322923161088).

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

118557153792 is a wasteful number, since it uses less digits than its factorization.

118557153792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1027 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 54.

The spelling of 118557153792 in words is "one hundred eighteen billion, five hundred fifty-seven million, one hundred fifty-three thousand, seven hundred ninety-two".