25572334002779 has 16 divisors (see below), whose sum is σ = 26301799935936. Its totient is φ = 24855148953600.

The previous prime is 25572334002751. The next prime is 25572334002851. The reversal of 25572334002779 is 97720043327552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25572334002779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25572334002379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5454032 + ... + 8993949.

It is an arithmetic number, because the mean of its divisors is an integer number (1643862495996).

Almost surely, 2^{25572334002779} is an apocalyptic number.

25572334002779 is a deficient number, since it is larger than the sum of its proper divisors (729465933157).

25572334002779 is a wasteful number, since it uses less digits than its factorization.

25572334002779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448406.

The product of its (nonzero) digits is 22226400, while the sum is 56.

The spelling of 25572334002779 in words is "twenty-five trillion, five hundred seventy-two billion, three hundred thirty-four million, two thousand, seven hundred seventy-nine".