25539259134231 has 32 divisors (see below), whose sum is σ = 38207647296000. Its totient is φ = 16858942038144.

The previous prime is 25539259134203. The next prime is 25539259134241. The reversal of 25539259134231 is 13243195293552.

25539259134231 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 9 + 2 + 591 + 3 + 42 + 3 + 1 = 666.

It is not a de Polignac number, because 25539259134231 - 2¹⁸ = 25539258872087 is a prime.

It is a super-2 number, since 2×25539259134231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25539259134241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24004975 + ... + 25046303.

It is an arithmetic number, because the mean of its divisors is an integer number (1193988978000).

Almost surely, 2^{25539259134231} is an apocalyptic number.

25539259134231 is a deficient number, since it is larger than the sum of its proper divisors (12668388161769).

25539259134231 is a wasteful number, since it uses less digits than its factorization.

25539259134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050260 (or 1050254 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 54.

The spelling of 25539259134231 in words is "twenty-five trillion, five hundred thirty-nine billion, two hundred fifty-nine million, one hundred thirty-four thousand, two hundred thirty-one".