25775803256 has 32 divisors (see below), whose sum is σ = 58140912000. Its totient is φ = 10465363296.

The previous prime is 25775803243. The next prime is 25775803367. The reversal of 25775803256 is 65230857752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12111626 + ... + 12113753.

It is an arithmetic number, because the mean of its divisors is an integer number (1816903500).

Almost surely, 2^25775803256 is an apocalyptic number.

It is an amenable number.

25775803256 is an abundant number, since it is smaller than the sum of its proper divisors (32365108744).

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

25775803256 is a wasteful number, since it uses less digits than its factorization.

25775803256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24225411 (or 24225407 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 25775803256 in words is "twenty-five billion, seven hundred seventy-five million, eight hundred three thousand, two hundred fifty-six".