118297751808 has 72 divisors (see below), whose sum is σ = 315397098016. Its totient is φ = 39363379200.

The previous prime is 118297751729. The next prime is 118297751837. The reversal of 118297751808 is 808157792811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303648 + ... + 573408.

Almost surely, 2^118297751808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118297751808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157698549008).

118297751808 is an abundant number, since it is smaller than the sum of its proper divisors (197099346208).

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

118297751808 is an equidigital number, since it uses as much as digits as its factorization.

118297751808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270351 (or 270337 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 57.

The spelling of 118297751808 in words is "one hundred eighteen billion, two hundred ninety-seven million, seven hundred fifty-one thousand, eight hundred eight".