25255205696 has 56 divisors (see below), whose sum is σ = 57328247040. Its totient is φ = 10813635072.

The previous prime is 25255205693. The next prime is 25255205747. The reversal of 25255205696 is 69650255252.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 25255205696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255205693) 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, 468590 + ... + 519698.

Almost surely, 2^25255205696 is an apocalyptic number.

It is an amenable number.

25255205696 is an abundant number, since it is smaller than the sum of its proper divisors (32073041344).

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

25255205696 is a wasteful number, since it uses less digits than its factorization.

25255205696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52231 (or 52221 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 25255205696 in words is "twenty-five billion, two hundred fifty-five million, two hundred five thousand, six hundred ninety-six".