25925255699 has 12 divisors (see below), whose sum is σ = 30184869384. Its totient is φ = 22201812864.

The previous prime is 25925255677. The next prime is 25925255729. The reversal of 25925255699 is 99655252952.

It is a happy number.

It is not a de Polignac number, because 25925255699 - 2²⁰ = 25924207123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25925255899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180542 + ... + 290595.

It is an arithmetic number, because the mean of its divisors is an integer number (2515405782).

Almost surely, 2^25925255699 is an apocalyptic number.

25925255699 is a deficient number, since it is larger than the sum of its proper divisors (4259613685).

25925255699 is a wasteful number, since it uses less digits than its factorization.

25925255699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472274 (or 472267 counting only the distinct ones).

The product of its digits is 21870000, while the sum is 59.

The spelling of 25925255699 in words is "twenty-five billion, nine hundred twenty-five million, two hundred fifty-five thousand, six hundred ninety-nine".