118508975892 has 36 divisors (see below), whose sum is σ = 299575281460. Its totient is φ = 39501551232.

The previous prime is 118508975891. The next prime is 118508975951. The reversal of 118508975892 is 298579805811.

118508975892 is a `hidden beast` number, since 118 + 508 + 9 + 7 + 5 + 8 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39427662096 + 79081313796 = 198564^2 + 281214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118508975891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1486584 + ... + 1564272.

Almost surely, 2^118508975892 is an apocalyptic number.

118508975892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118508975892 is an abundant number, since it is smaller than the sum of its proper divisors (181066305568).

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

118508975892 is a wasteful number, since it uses less digits than its factorization.

118508975892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120072 (or 120067 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 63.

The spelling of 118508975892 in words is "one hundred eighteen billion, five hundred eight million, nine hundred seventy-five thousand, eight hundred ninety-two".