13204111279 has 2 divisors, whose sum is σ = 13204111280. Its totient is φ = 13204111278.

The previous prime is 13204111273. The next prime is 13204111303. The reversal of 13204111279 is 97211140231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13204111279 - 2⁵ = 13204111247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13204111279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13204111273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602055639 + 6602055640.

It is an arithmetic number, because the mean of its divisors is an integer number (6602055640).

Almost surely, 2^13204111279 is an apocalyptic number.

13204111279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13204111279 is an equidigital number, since it uses as much as digits as its factorization.

13204111279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 13204111279 in words is "thirteen billion, two hundred four million, one hundred eleven thousand, two hundred seventy-nine".