155425660120 has 32 divisors (see below), whose sum is σ = 349720391520. Its totient is φ = 62168014080.

The previous prime is 155425660111. The next prime is 155425660153. The reversal of 155425660120 is 21066524551.

It is a self number, because there is not a number n which added to its sum of digits gives 155425660120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459900 + ... + 1562740.

It is an arithmetic number, because the mean of its divisors is an integer number (10928762235).

Almost surely, 2^155425660120 is an apocalyptic number.

155425660120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155425660120 is an abundant number, since it is smaller than the sum of its proper divisors (194294731400).

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

155425660120 is a wasteful number, since it uses less digits than its factorization.

155425660120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140635 (or 140631 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 155425660120 in words is "one hundred fifty-five billion, four hundred twenty-five million, six hundred sixty thousand, one hundred twenty".