25263888775 has 6 divisors (see below), whose sum is σ = 31327222112. Its totient is φ = 20211111000.

The previous prime is 25263888737. The next prime is 25263888799. The reversal of 25263888775 is 57788836252.

It is not a de Polignac number, because 25263888775 - 2⁷ = 25263888647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505277751 + ... + 505277800.

Almost surely, 2^25263888775 is an apocalyptic number.

25263888775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25263888775 is a deficient number, since it is larger than the sum of its proper divisors (6063333337).

25263888775 is a wasteful number, since it uses less digits than its factorization.

25263888775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010555561 (or 1010555556 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 61.

The spelling of 25263888775 in words is "twenty-five billion, two hundred sixty-three million, eight hundred eighty-eight thousand, seven hundred seventy-five".