508128015225 has 36 divisors (see below), whose sum is σ = 861095329328. Its totient is φ = 264391747200.

The previous prime is 508128015221. The next prime is 508128015251. The reversal of 508128015225 is 522510821805.

It is not a de Polignac number, because 508128015225 - 2² = 508128015221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (508128015221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1889107 + ... + 2141256.

Almost surely, 2^508128015225 is an apocalyptic number.

It is an amenable number.

508128015225 is a deficient number, since it is larger than the sum of its proper divisors (352967314103).

508128015225 is a wasteful number, since it uses less digits than its factorization.

508128015225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030458 (or 4030412 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 39.

The spelling of 508128015225 in words is "five hundred eight billion, one hundred twenty-eight million, fifteen thousand, two hundred twenty-five".