155134255525 has 12 divisors (see below), whose sum is σ = 195996034692. Its totient is φ = 121765754240.

The previous prime is 155134255519. The next prime is 155134255541. The reversal of 155134255525 is 525552431551.

It can be written as a sum of positive squares in 6 ways, for example, as 3786802369 + 151347453156 = 61537^2 + 389034^2 .

It is not a de Polignac number, because 155134255525 - 2¹⁵ = 155134222757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58539904 + ... + 58542553.

It is an arithmetic number, because the mean of its divisors is an integer number (16333002891).

Almost surely, 2^155134255525 is an apocalyptic number.

It is an amenable number.

155134255525 is a deficient number, since it is larger than the sum of its proper divisors (40861779167).

155134255525 is a wasteful number, since it uses less digits than its factorization.

155134255525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117082520 (or 117082515 counting only the distinct ones).

The product of its digits is 750000, while the sum is 43.

The spelling of 155134255525 in words is "one hundred fifty-five billion, one hundred thirty-four million, two hundred fifty-five thousand, five hundred twenty-five".