11775279679 has 2 divisors, whose sum is σ = 11775279680. Its totient is φ = 11775279678.

The previous prime is 11775279643. The next prime is 11775279731. The reversal of 11775279679 is 97697257711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11775279679 - 2²⁷ = 11641061951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11775279079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887639839 + 5887639840.

It is an arithmetic number, because the mean of its divisors is an integer number (5887639840).

Almost surely, 2^11775279679 is an apocalyptic number.

11775279679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11775279679 is an equidigital number, since it uses as much as digits as its factorization.

11775279679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11668860, while the sum is 61.

The spelling of 11775279679 in words is "eleven billion, seven hundred seventy-five million, two hundred seventy-nine thousand, six hundred seventy-nine".