25715675256 has 32 divisors (see below), whose sum is σ = 64319067600. Its totient is φ = 8567907840.

The previous prime is 25715675189. The next prime is 25715675257. The reversal of 25715675256 is 65257651752.

It is a super-2 number, since 2×25715675256² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25715675199 and 25715675208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25715675257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196051 + ... + 299778.

Almost surely, 2^25715675256 is an apocalyptic number.

It is an amenable number.

25715675256 is an abundant number, since it is smaller than the sum of its proper divisors (38603392344).

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

25715675256 is a wasteful number, since it uses less digits than its factorization.

25715675256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497999 (or 497995 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 51.

The spelling of 25715675256 in words is "twenty-five billion, seven hundred fifteen million, six hundred seventy-five thousand, two hundred fifty-six".