25916836025 has 24 divisors (see below), whose sum is σ = 32439542784. Its totient is φ = 20538705600.

The previous prime is 25916835983. The next prime is 25916836063. The reversal of 25916836025 is 52063861952.

It is not a de Polignac number, because 25916836025 - 2⁶ = 25916835961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2188019 + ... + 2199831.

It is an arithmetic number, because the mean of its divisors is an integer number (1351647616).

Almost surely, 2^25916836025 is an apocalyptic number.

25916836025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25916836025 is a deficient number, since it is larger than the sum of its proper divisors (6522706759).

25916836025 is a wasteful number, since it uses less digits than its factorization.

25916836025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641 (or 12636 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 25916836025 in words is "twenty-five billion, nine hundred sixteen million, eight hundred thirty-six thousand, twenty-five".