155120104525 has 48 divisors (see below), whose sum is σ = 199224748800. Its totient is φ = 119754236160.

The previous prime is 155120104507. The next prime is 155120104541. The reversal of 155120104525 is 525401021551.

It is not a de Polignac number, because 155120104525 - 2¹⁷ = 155119973453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20071212 + ... + 20078938.

It is an arithmetic number, because the mean of its divisors is an integer number (4150515600).

Almost surely, 2^155120104525 is an apocalyptic number.

It is an amenable number.

155120104525 is a deficient number, since it is larger than the sum of its proper divisors (44104644275).

155120104525 is a wasteful number, since it uses less digits than its factorization.

155120104525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8038 (or 8033 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 155120104525 in words is "one hundred fifty-five billion, one hundred twenty million, one hundred four thousand, five hundred twenty-five".