11118937717 has 2 divisors, whose sum is σ = 11118937718. Its totient is φ = 11118937716.

The previous prime is 11118937691. The next prime is 11118937733. The reversal of 11118937717 is 71773981111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9079421796 + 2039515921 = 95286^2 + 45161^2 .

It is a cyclic number.

It is not a de Polignac number, because 11118937717 - 2¹⁹ = 11118413429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11118947717) 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, 5559468858 + 5559468859.

It is an arithmetic number, because the mean of its divisors is an integer number (5559468859).

Almost surely, 2^11118937717 is an apocalyptic number.

It is an amenable number.

11118937717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118937717 is an equidigital number, since it uses as much as digits as its factorization.

11118937717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 46.

The spelling of 11118937717 in words is "eleven billion, one hundred eighteen million, nine hundred thirty-seven thousand, seven hundred seventeen".