155970025120 has 384 divisors, whose sum is σ = 501086186496. Its totient is φ = 44436750336.

The previous prime is 155970025111. The next prime is 155970025157. The reversal of 155970025120 is 21520079551.

155970025120 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 155970025120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5679262 + ... + 5706658.

It is an arithmetic number, because the mean of its divisors is an integer number (1304911944).

Almost surely, 2^155970025120 is an apocalyptic number.

155970025120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155970025120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250543093248).

155970025120 is an abundant number, since it is smaller than the sum of its proper divisors (345116161376).

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

155970025120 is a wasteful number, since it uses less digits than its factorization.

155970025120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27472 (or 27464 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 155970025120 in words is "one hundred fifty-five billion, nine hundred seventy million, twenty-five thousand, one hundred twenty".