25680703504 has 15 divisors (see below), whose sum is σ = 49757605023. Its totient is φ = 12840031248.

The previous prime is 25680703501. The next prime is 25680703513. The reversal of 25680703504 is 40530708652.

The square root of 25680703504 is 160252.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25680703501) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 620977 + ... + 661039.

Almost surely, 2^25680703504 is an apocalyptic number.

25680703504 is the 160252-nd square number.

It is an amenable number.

25680703504 is a deficient number, since it is larger than the sum of its proper divisors (24076901519).

25680703504 is an frugal number, since it uses more digits than its factorization.

25680703504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80134 (or 40065 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 25680703504 in words is "twenty-five billion, six hundred eighty million, seven hundred three thousand, five hundred four".