25055507799 has 24 divisors (see below), whose sum is σ = 41383821440. Its totient is φ = 14309697168.

The previous prime is 25055507717. The next prime is 25055507809. The reversal of 25055507799 is 99770555052.

It is not a de Polignac number, because 25055507799 - 2⁹ = 25055507287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055507599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11112 + ... + 224130.

Almost surely, 2^25055507799 is an apocalyptic number.

25055507799 is a deficient number, since it is larger than the sum of its proper divisors (16328313641).

25055507799 is a wasteful number, since it uses less digits than its factorization.

25055507799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214899 (or 214896 counting only the distinct ones).

The product of its (nonzero) digits is 4961250, while the sum is 54.

The spelling of 25055507799 in words is "twenty-five billion, fifty-five million, five hundred seven thousand, seven hundred ninety-nine".