11118247117 has 2 divisors, whose sum is σ = 11118247118. Its totient is φ = 11118247116.

The previous prime is 11118247111. The next prime is 11118247139. The reversal of 11118247117 is 71174281111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10821408676 + 296838441 = 104026^2 + 17229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11118247117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11118247111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559123558 + 5559123559.

It is an arithmetic number, because the mean of its divisors is an integer number (5559123559).

Almost surely, 2^11118247117 is an apocalyptic number.

It is an amenable number.

11118247117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118247117 is an equidigital number, since it uses as much as digits as its factorization.

11118247117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 34.

The spelling of 11118247117 in words is "eleven billion, one hundred eighteen million, two hundred forty-seven thousand, one hundred seventeen".