25513876328325 has 48 divisors (see below), whose sum is σ = 52591720152576. Its totient is φ = 10603169380800.

The previous prime is 25513876328309. The next prime is 25513876328327. The reversal of 25513876328325 is 52382367831552.

It is not a de Polignac number, because 25513876328325 - 2⁴ = 25513876328309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25513876328327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2208987847 + ... + 2208999396.

It is an arithmetic number, because the mean of its divisors is an integer number (1095660836512).

Almost surely, 2^{25513876328325} is an apocalyptic number.

25513876328325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25513876328325 is an abundant number, since it is smaller than the sum of its proper divisors (27077843824251).

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

25513876328325 is a wasteful number, since it uses less digits than its factorization.

25513876328325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417987274 (or 4417987269 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 60.

The spelling of 25513876328325 in words is "twenty-five trillion, five hundred thirteen billion, eight hundred seventy-six million, three hundred twenty-eight thousand, three hundred twenty-five".