25753731272405 has 16 divisors (see below), whose sum is σ = 32918330430720. Its totient is φ = 19274930671872.

The previous prime is 25753731272387. The next prime is 25753731272411. The reversal of 25753731272405 is 50427213735752.

It is a cyclic number.

It is not a de Polignac number, because 25753731272405 - 2³⁴ = 25736551403221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907126745 + ... + 907155134.

It is an arithmetic number, because the mean of its divisors is an integer number (2057395651920).

Almost surely, 2^{25753731272405} is an apocalyptic number.

It is an amenable number.

25753731272405 is a deficient number, since it is larger than the sum of its proper divisors (7164599158315).

25753731272405 is a wasteful number, since it uses less digits than its factorization.

25753731272405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814282068.

The product of its (nonzero) digits is 12348000, while the sum is 53.

The spelling of 25753731272405 in words is "twenty-five trillion, seven hundred fifty-three billion, seven hundred thirty-one million, two hundred seventy-two thousand, four hundred five".