25742246115231 has 12 divisors (see below), whose sum is σ = 37631235286008. Its totient is φ = 16954732380624.

The previous prime is 25742246115139. The next prime is 25742246115247. The reversal of 25742246115231 is 13251164224752.

25742246115231 is a `hidden beast` number, since 2 + 5 + 7 + 4 + 2 + 2 + 4 + 611 + 5 + 23 + 1 = 666.

It is not a de Polignac number, because 25742246115231 - 2¹¹ = 25742246113183 is a prime.

It is a super-2 number, since 2×25742246115231² (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 (25742246115251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17230418340 + ... + 17230419833.

It is an arithmetic number, because the mean of its divisors is an integer number (3135936273834).

Almost surely, 2^{25742246115231} is an apocalyptic number.

25742246115231 is a deficient number, since it is larger than the sum of its proper divisors (11888989170777).

25742246115231 is a wasteful number, since it uses less digits than its factorization.

25742246115231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34460838262 (or 34460838259 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 25742246115231 in words is "twenty-five trillion, seven hundred forty-two billion, two hundred forty-six million, one hundred fifteen thousand, two hundred thirty-one".