25604013357 has 128 divisors (see below), whose sum is σ = 43084339200. Its totient is φ = 14923948032.

The previous prime is 25604013349. The next prime is 25604013359. The reversal of 25604013357 is 75331040652.

25604013357 is a `hidden beast` number, since 2 + 5 + 604 + 0 + 13 + 35 + 7 = 666.

It is not a de Polignac number, because 25604013357 - 2³ = 25604013349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25604013359) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 107129644 + ... + 107129882.

It is an arithmetic number, because the mean of its divisors is an integer number (336596400).

Almost surely, 2^25604013357 is an apocalyptic number.

25604013357 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

25604013357 is a deficient number, since it is larger than the sum of its proper divisors (17480325843).

25604013357 is a wasteful number, since it uses less digits than its factorization.

25604013357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 25604013357 in words is "twenty-five billion, six hundred four million, thirteen thousand, three hundred fifty-seven".