30885815825 has 12 divisors (see below), whose sum is σ = 38334884208. Its totient is φ = 24685122000.

The previous prime is 30885815819. The next prime is 30885815953. The reversal of 30885815825 is 52851858803.

It is not a de Polignac number, because 30885815825 - 2⁶ = 30885815761 is a prime.

It is a Duffinian 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, 561467 + ... + 614016.

It is an arithmetic number, because the mean of its divisors is an integer number (3194573684).

Almost surely, 2^30885815825 is an apocalyptic number.

It is an amenable number.

30885815825 is a deficient number, since it is larger than the sum of its proper divisors (7449068383).

30885815825 is a wasteful number, since it uses less digits than its factorization.

30885815825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176544 (or 1176539 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 53.

The spelling of 30885815825 in words is "thirty billion, eight hundred eighty-five million, eight hundred fifteen thousand, eight hundred twenty-five".