25504223216604 has 96 divisors (see below), whose sum is σ = 68340824616960. Its totient is φ = 7321341931200.

The previous prime is 25504223216581. The next prime is 25504223216627. The reversal of 25504223216604 is 40661232240552.

It is an interprime number because it is at equal distance from previous prime (25504223216581) and next prime (25504223216627).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42162637 + ... + 42763259.

It is an arithmetic number, because the mean of its divisors is an integer number (711883589760).

Almost surely, 2^{25504223216604} is an apocalyptic number.

It is an amenable number.

25504223216604 is an abundant number, since it is smaller than the sum of its proper divisors (42836601400356).

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

25504223216604 is a wasteful number, since it uses less digits than its factorization.

25504223216604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617591 (or 617589 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 25504223216604 in words is "twenty-five trillion, five hundred four billion, two hundred twenty-three million, two hundred sixteen thousand, six hundred four".