155972823204 has 48 divisors (see below), whose sum is σ = 399651065856. Its totient is φ = 46951476000.

The previous prime is 155972823197. The next prime is 155972823211. The reversal of 155972823204 is 402328279551.

155972823204 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 (155972823197) and next prime (155972823211).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892692 + ... + 3932555.

It is an arithmetic number, because the mean of its divisors is an integer number (8326063872).

Almost surely, 2^155972823204 is an apocalyptic number.

It is an amenable number.

155972823204 is an abundant number, since it is smaller than the sum of its proper divisors (243678242652).

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

155972823204 is a wasteful number, since it uses less digits than its factorization.

155972823204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825416 (or 7825414 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 155972823204 in words is "one hundred fifty-five billion, nine hundred seventy-two million, eight hundred twenty-three thousand, two hundred four".