25560511025 has 12 divisors (see below), whose sum is σ = 36222895872. Its totient is φ = 17527207440.

The previous prime is 25560511019. The next prime is 25560511037. The reversal of 25560511025 is 52011506552.

It is not a de Polignac number, because 25560511025 - 2⁶ = 25560510961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25560510982 and 25560511000.

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, 73029857 + ... + 73030206.

It is an arithmetic number, because the mean of its divisors is an integer number (3018574656).

Almost surely, 2^25560511025 is an apocalyptic number.

25560511025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25560511025 is a deficient number, since it is larger than the sum of its proper divisors (10662384847).

25560511025 is a wasteful number, since it uses less digits than its factorization.

25560511025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146060080 (or 146060075 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 25560511025 in words is "twenty-five billion, five hundred sixty million, five hundred eleven thousand, twenty-five".