25330722515625 has 56 divisors (see below), whose sum is σ = 44439296794720. Its totient is φ = 12798680400000.

The previous prime is 25330722515611. The next prime is 25330722515767. The reversal of 25330722515625 is 52651522703352.

It is not a de Polignac number, because 25330722515625 - 2²⁹ = 25330185644713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13330132 + ... + 15111381.

Almost surely, 2^{25330722515625} is an apocalyptic number.

25330722515625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25330722515625 is a deficient number, since it is larger than the sum of its proper divisors (19108574279095).

25330722515625 is an frugal number, since it uses more digits than its factorization.

25330722515625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28441565 (or 28441540 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 48.

The spelling of 25330722515625 in words is "twenty-five trillion, three hundred thirty billion, seven hundred twenty-two million, five hundred fifteen thousand, six hundred twenty-five".