25457872175 has 12 divisors (see below), whose sum is σ = 32000198880. Its totient is φ = 20087305920.

The previous prime is 25457872157. The next prime is 25457872189. The reversal of 25457872175 is 57127875452.

It is not a de Polignac number, because 25457872175 - 2¹⁴ = 25457855791 is a prime.

It is a congruent number.

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, 6972935 + ... + 6976584.

It is an arithmetic number, because the mean of its divisors is an integer number (2666683240).

Almost surely, 2^25457872175 is an apocalyptic number.

25457872175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25457872175 is a deficient number, since it is larger than the sum of its proper divisors (6542326705).

25457872175 is a wasteful number, since it uses less digits than its factorization.

25457872175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13949602 (or 13949597 counting only the distinct ones).

The product of its digits is 5488000, while the sum is 53.

The spelling of 25457872175 in words is "twenty-five billion, four hundred fifty-seven million, eight hundred seventy-two thousand, one hundred seventy-five".