11113123117 has 2 divisors, whose sum is σ = 11113123118. Its totient is φ = 11113123116.

The previous prime is 11113123093. The next prime is 11113123127. The reversal of 11113123117 is 71132131111.

11113123117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9821008201 + 1292114916 = 99101^2 + 35946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113123117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113123127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556561558 + 5556561559.

It is an arithmetic number, because the mean of its divisors is an integer number (5556561559).

Almost surely, 2^11113123117 is an apocalyptic number.

It is an amenable number.

11113123117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113123117 is an equidigital number, since it uses as much as digits as its factorization.

11113123117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 22.

Adding to 11113123117 its reverse (71132131111), we get a palindrome (82245254228).

The spelling of 11113123117 in words is "eleven billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred seventeen".