25013091875 has 20 divisors (see below), whose sum is σ = 31565908176. Its totient is φ = 19812300000.

The previous prime is 25013091869. The next prime is 25013091877. The reversal of 25013091875 is 57819031052.

It is not a de Polignac number, because 25013091875 - 2⁶ = 25013091811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25013091877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 134999 + ... + 261248.

Almost surely, 2^25013091875 is an apocalyptic number.

25013091875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25013091875 is a deficient number, since it is larger than the sum of its proper divisors (6552816301).

25013091875 is an equidigital number, since it uses as much as digits as its factorization.

25013091875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396368 (or 396353 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 25013091875 in words is "twenty-five billion, thirteen million, ninety-one thousand, eight hundred seventy-five".