25587245604 has 12 divisors (see below), whose sum is σ = 59703573104. Its totient is φ = 8529081864.

The previous prime is 25587245599. The next prime is 25587245617. The reversal of 25587245604 is 40654278552.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066135222 + ... + 1066135245.

Almost surely, 2^25587245604 is an apocalyptic number.

It is an amenable number.

25587245604 is an abundant number, since it is smaller than the sum of its proper divisors (34116327500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25587245604 is a wasteful number, since it uses less digits than its factorization.

25587245604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132270474 (or 2132270472 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 48.

It can be divided in two parts, 255872 and 45604, that added together give a triangular number (301476 = T₇₇₆).

The spelling of 25587245604 in words is "twenty-five billion, five hundred eighty-seven million, two hundred forty-five thousand, six hundred four".