25966056704 has 72 divisors (see below), whose sum is σ = 60239296320. Its totient is φ = 10939650048.

The previous prime is 25966056691. The next prime is 25966056707. The reversal of 25966056704 is 40765066952.

It is a super-2 number, since 2×25966056704² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25966056707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17069 + ... + 228524.

Almost surely, 2^25966056704 is an apocalyptic number.

It is an amenable number.

25966056704 is an abundant number, since it is smaller than the sum of its proper divisors (34273239616).

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

25966056704 is an equidigital number, since it uses as much as digits as its factorization.

25966056704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245675 (or 245661 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 25966056704 in words is "twenty-five billion, nine hundred sixty-six million, fifty-six thousand, seven hundred four".