25542616113 has 32 divisors (see below), whose sum is σ = 43331884800. Its totient is φ = 14567050368.

The previous prime is 25542616111. The next prime is 25542616133. The reversal of 25542616113 is 31161624552.

25542616113 is a `hidden beast` number, since 25 + 5 + 4 + 2 + 616 + 1 + 13 = 666.

It is not a de Polignac number, because 25542616113 - 2¹ = 25542616111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25542616111) 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, 36556 + ... + 228957.

It is an arithmetic number, because the mean of its divisors is an integer number (1354121400).

Almost surely, 2^25542616113 is an apocalyptic number.

It is an amenable number.

25542616113 is a deficient number, since it is larger than the sum of its proper divisors (17789268687).

25542616113 is a wasteful number, since it uses less digits than its factorization.

25542616113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266038 (or 266032 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The spelling of 25542616113 in words is "twenty-five billion, five hundred forty-two million, six hundred sixteen thousand, one hundred thirteen".