11398118279 has 2 divisors, whose sum is σ = 11398118280. Its totient is φ = 11398118278.

The previous prime is 11398118261. The next prime is 11398118309. The reversal of 11398118279 is 97281189311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11398118279 - 2²⁴ = 11381341063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11398118219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5699059139 + 5699059140.

It is an arithmetic number, because the mean of its divisors is an integer number (5699059140).

Almost surely, 2^11398118279 is an apocalyptic number.

11398118279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11398118279 is an equidigital number, since it uses as much as digits as its factorization.

11398118279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 50.

The spelling of 11398118279 in words is "eleven billion, three hundred ninety-eight million, one hundred eighteen thousand, two hundred seventy-nine".