11118645719 has 2 divisors, whose sum is σ = 11118645720. Its totient is φ = 11118645718.

The previous prime is 11118645679. The next prime is 11118645731. The reversal of 11118645719 is 91754681111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11118645719 - 2²⁰ = 11117597143 is a prime.

It is a super-2 number, since 2×11118645719² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11118645719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11118645799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559322859 + 5559322860.

It is an arithmetic number, because the mean of its divisors is an integer number (5559322860).

Almost surely, 2^11118645719 is an apocalyptic number.

11118645719 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118645719 is an equidigital number, since it uses as much as digits as its factorization.

11118645719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 44.

The spelling of 11118645719 in words is "eleven billion, one hundred eighteen million, six hundred forty-five thousand, seven hundred nineteen".