118889134920 has 48 divisors (see below), whose sum is σ = 386389689660. Its totient is φ = 31703769216.

The previous prime is 118889134913. The next prime is 118889134927. The reversal of 118889134920 is 29431988811.

It is a happy number.

118889134920 is a `hidden beast` number, since 118 + 88 + 91 + 349 + 20 = 666.

118889134920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (118889134913) and next prime (118889134927).

It can be written as a sum of positive squares in 2 ways, for example, as 118888419204 + 715716 = 344802^2 + 846^2 .

It is not an unprimeable number, because it can be changed into a prime (118889134927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165123439 + ... + 165124158.

Almost surely, 2^118889134920 is an apocalyptic number.

118889134920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118889134920 is an abundant number, since it is smaller than the sum of its proper divisors (267500554740).

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

118889134920 is a wasteful number, since it uses less digits than its factorization.

118889134920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330247614 (or 330247607 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The spelling of 118889134920 in words is "one hundred eighteen billion, eight hundred eighty-nine million, one hundred thirty-four thousand, nine hundred twenty".