25557755275 has 24 divisors (see below), whose sum is σ = 34158844944. Its totient is φ = 18857155200.

The previous prime is 25557755189. The next prime is 25557755309. The reversal of 25557755275 is 57255775552.

It is not a de Polignac number, because 25557755275 - 2²⁷ = 25423537547 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, 350532 + ... + 417118.

It is an arithmetic number, because the mean of its divisors is an integer number (1423285206).

Almost surely, 2^25557755275 is an apocalyptic number.

25557755275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25557755275 is a deficient number, since it is larger than the sum of its proper divisors (8601089669).

25557755275 is a wasteful number, since it uses less digits than its factorization.

25557755275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67791 (or 67786 counting only the distinct ones).

The product of its digits is 21437500, while the sum is 55.

The spelling of 25557755275 in words is "twenty-five billion, five hundred fifty-seven million, seven hundred fifty-five thousand, two hundred seventy-five".