25601412988 has 12 divisors (see below), whose sum is σ = 44826203520. Its totient is φ = 12793926272.

The previous prime is 25601412959. The next prime is 25601413003. The reversal of 25601412988 is 88921410652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686556 + ... + 1701667.

It is an arithmetic number, because the mean of its divisors is an integer number (3735516960).

Almost surely, 2^25601412988 is an apocalyptic number.

It is an amenable number.

25601412988 is a deficient number, since it is larger than the sum of its proper divisors (19224790532).

25601412988 is a wasteful number, since it uses less digits than its factorization.

25601412988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390116 (or 3390114 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 25601412988 in words is "twenty-five billion, six hundred one million, four hundred twelve thousand, nine hundred eighty-eight".