5256502155 has 32 divisors (see below), whose sum is σ = 9667137600. Its totient is φ = 2706794496.

The previous prime is 5256502123. The next prime is 5256502159. The reversal of 5256502155 is 5512056525.

5256502155 is a `hidden beast` number, since 52 + 56 + 502 + 1 + 55 = 666.

It is not a de Polignac number, because 5256502155 - 2⁵ = 5256502123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5256502159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667414 + ... + 675243.

It is an arithmetic number, because the mean of its divisors is an integer number (302098050).

Almost surely, 2^5256502155 is an apocalyptic number.

5256502155 is a deficient number, since it is larger than the sum of its proper divisors (4410635445).

5256502155 is a wasteful number, since it uses less digits than its factorization.

5256502155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342700 (or 1342694 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The square root of 5256502155 is about 72501.7389791445. The cubic root of 5256502155 is about 1738.7305395759.

The spelling of 5256502155 in words is "five billion, two hundred fifty-six million, five hundred two thousand, one hundred fifty-five".