10002775025 has 24 divisors (see below), whose sum is σ = 12730015584. Its totient is φ = 7792646400.

The previous prime is 10002775021. The next prime is 10002775067. The reversal of 10002775025 is 52057720001.

It is not a de Polignac number, because 10002775025 - 2² = 10002775021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002775021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348470 + ... + 376080.

It is an arithmetic number, because the mean of its divisors is an integer number (530417316).

Almost surely, 2^10002775025 is an apocalyptic number.

It is an amenable number.

10002775025 is a deficient number, since it is larger than the sum of its proper divisors (2727240559).

10002775025 is a wasteful number, since it uses less digits than its factorization.

10002775025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28001 (or 27996 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The spelling of 10002775025 in words is "ten billion, two million, seven hundred seventy-five thousand, twenty-five".