25916088231 has 24 divisors (see below), whose sum is σ = 40850533776. Its totient is φ = 15701696640.

The previous prime is 25916088227. The next prime is 25916088259. The reversal of 25916088231 is 13288061952.

25916088231 is a `hidden beast` number, since 2 + 5 + 9 + 1 + 608 + 8 + 2 + 31 = 666.

It is not a de Polignac number, because 25916088231 - 2² = 25916088227 is a prime.

It is a super-2 number, since 2×25916088231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25916088131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281811 + ... + 362283.

It is an arithmetic number, because the mean of its divisors is an integer number (1702105574).

Almost surely, 2^25916088231 is an apocalyptic number.

25916088231 is a deficient number, since it is larger than the sum of its proper divisors (14934445545).

25916088231 is a wasteful number, since it uses less digits than its factorization.

25916088231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83743 (or 83740 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 25916088231 in words is "twenty-five billion, nine hundred sixteen million, eighty-eight thousand, two hundred thirty-one".