25800113413 has 4 divisors (see below), whose sum is σ = 26632375168. Its totient is φ = 24967851660.

The previous prime is 25800113369. The next prime is 25800113441. The reversal of 25800113413 is 31431100852.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25800113413 - 2²⁵ = 25766558981 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 (25800113473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416130831 + ... + 416130892.

It is an arithmetic number, because the mean of its divisors is an integer number (6658093792).

Almost surely, 2^25800113413 is an apocalyptic number.

It is an amenable number.

25800113413 is a deficient number, since it is larger than the sum of its proper divisors (832261755).

25800113413 is an equidigital number, since it uses as much as digits as its factorization.

25800113413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832261754.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 25800113413 in words is "twenty-five billion, eight hundred million, one hundred thirteen thousand, four hundred thirteen".