25571604004 has 12 divisors (see below), whose sum is σ = 45091913328. Its totient is φ = 12688200200.

The previous prime is 25571603969. The next prime is 25571604029. The reversal of 25571604004 is 40040617552.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24399862 + ... + 24400909.

It is an arithmetic number, because the mean of its divisors is an integer number (3757659444).

Almost surely, 2^25571604004 is an apocalyptic number.

It is an amenable number.

25571604004 is a deficient number, since it is larger than the sum of its proper divisors (19520309324).

25571604004 is a wasteful number, since it uses less digits than its factorization.

25571604004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48800906 (or 48800904 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 25571604004 in words is "twenty-five billion, five hundred seventy-one million, six hundred four thousand, four".