25711481056 has 24 divisors (see below), whose sum is σ = 51332433264. Its totient is φ = 12674672640.

The previous prime is 25711481053. The next prime is 25711481069. The reversal of 25711481056 is 65018411752.

It is a super-2 number, since 2×25711481056² (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 (25711481051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5656065 + ... + 5660608.

It is an arithmetic number, because the mean of its divisors is an integer number (2138851386).

Almost surely, 2^25711481056 is an apocalyptic number.

It is an amenable number.

25711481056 is a deficient number, since it is larger than the sum of its proper divisors (25620952208).

25711481056 is a wasteful number, since it uses less digits than its factorization.

25711481056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316754 (or 11316746 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 25711481056 in words is "twenty-five billion, seven hundred eleven million, four hundred eighty-one thousand, fifty-six".