25775025756 has 12 divisors (see below), whose sum is σ = 60141726792. Its totient is φ = 8591675248.

The previous prime is 25775025743. The next prime is 25775025761. The reversal of 25775025756 is 65752057752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25775025699 and 25775025708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073959395 + ... + 1073959418.

It is an arithmetic number, because the mean of its divisors is an integer number (5011810566).

Almost surely, 2^25775025756 is an apocalyptic number.

It is an amenable number.

25775025756 is an abundant number, since it is smaller than the sum of its proper divisors (34366701036).

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

25775025756 is a wasteful number, since it uses less digits than its factorization.

25775025756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147918820 (or 2147918818 counting only the distinct ones).

The product of its (nonzero) digits is 5145000, while the sum is 51.

The spelling of 25775025756 in words is "twenty-five billion, seven hundred seventy-five million, twenty-five thousand, seven hundred fifty-six".