25025500028025 has 36 divisors (see below), whose sum is σ = 51226801330432. Its totient is φ = 11440228583520.

The previous prime is 25025500028017. The next prime is 25025500028057. The reversal of 25025500028025 is 52082000552052.

25025500028025 is a `hidden beast` number, since 2 + 5 + 0 + 2 + 550 + 0 + 0 + 2 + 80 + 25 = 666.

It is not a de Polignac number, because 25025500028025 - 2³ = 25025500028017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7944601609 + ... + 7944604758.

Almost surely, 2^{25025500028025} is an apocalyptic number.

25025500028025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25025500028025 is an abundant number, since it is smaller than the sum of its proper divisors (26201301302407).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25025500028025 is a wasteful number, since it uses less digits than its factorization.

25025500028025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889206390 (or 15889206382 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 25025500028025 in words is "twenty-five trillion, twenty-five billion, five hundred million, twenty-eight thousand, twenty-five".