118865562420 has 72 divisors (see below), whose sum is σ = 365830893792. Its totient is φ = 28815892160.

The previous prime is 118865562383. The next prime is 118865562451. The reversal of 118865562420 is 24265568811.

118865562420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 118865562420.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8179074 + ... + 8193593.

It is an arithmetic number, because the mean of its divisors is an integer number (5080984636).

Almost surely, 2^118865562420 is an apocalyptic number.

118865562420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118865562420 is an abundant number, since it is smaller than the sum of its proper divisors (246965331372).

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

118865562420 is a wasteful number, since it uses less digits than its factorization.

118865562420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16372701 (or 16372688 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 118865562420 in words is "one hundred eighteen billion, eight hundred sixty-five million, five hundred sixty-two thousand, four hundred twenty".