25996244105 has 16 divisors (see below), whose sum is σ = 33636638784. Its totient is φ = 19173516480.

The previous prime is 25996244069. The next prime is 25996244117. The reversal of 25996244105 is 50144269952.

It is not a de Polignac number, because 25996244105 - 2²⁶ = 25929135241 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25996244105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193859 + ... + 299288.

It is an arithmetic number, because the mean of its divisors is an integer number (2102289924).

Almost surely, 2^25996244105 is an apocalyptic number.

It is an amenable number.

25996244105 is a deficient number, since it is larger than the sum of its proper divisors (7640394679).

25996244105 is a wasteful number, since it uses less digits than its factorization.

25996244105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493976.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 25996244105 in words is "twenty-five billion, nine hundred ninety-six million, two hundred forty-four thousand, one hundred five".