25885329131 has 16 divisors (see below), whose sum is σ = 26650850688. Its totient is φ = 25126516800.

The previous prime is 25885329097. The next prime is 25885329163. The reversal of 25885329131 is 13192358852.

It is a cyclic number.

It is not a de Polignac number, because 25885329131 - 2¹⁰ = 25885328107 is a prime.

It is a super-2 number, since 2×25885329131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25885329181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8595416 + ... + 8598426.

It is an arithmetic number, because the mean of its divisors is an integer number (1665678168).

Almost surely, 2^25885329131 is an apocalyptic number.

25885329131 is a deficient number, since it is larger than the sum of its proper divisors (765521557).

25885329131 is a wasteful number, since it uses less digits than its factorization.

25885329131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042.

The product of its digits is 518400, while the sum is 47.

The spelling of 25885329131 in words is "twenty-five billion, eight hundred eighty-five million, three hundred twenty-nine thousand, one hundred thirty-one".