25613231432 has 64 divisors (see below), whose sum is σ = 50340648960. Its totient is φ = 12202444800.

The previous prime is 25613231431. The next prime is 25613231459. The reversal of 25613231432 is 23413231652.

It is not an unprimeable number, because it can be changed into a prime (25613231431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16491968 + ... + 16493520.

It is an arithmetic number, because the mean of its divisors is an integer number (786572640).

Almost surely, 2^25613231432 is an apocalyptic number.

It is an amenable number.

25613231432 is a deficient number, since it is larger than the sum of its proper divisors (24727417528).

25613231432 is a wasteful number, since it uses less digits than its factorization.

25613231432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2570 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The spelling of 25613231432 in words is "twenty-five billion, six hundred thirteen million, two hundred thirty-one thousand, four hundred thirty-two".