11111192159 has 2 divisors, whose sum is σ = 11111192160. Its totient is φ = 11111192158.

The previous prime is 11111192123. The next prime is 11111192173. The reversal of 11111192159 is 95129111111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111192159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111192189) 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, 5555596079 + 5555596080.

It is an arithmetic number, because the mean of its divisors is an integer number (5555596080).

Almost surely, 2^11111192159 is an apocalyptic number.

11111192159 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111192159 is an equidigital number, since it uses as much as digits as its factorization.

11111192159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 32.

The spelling of 11111192159 in words is "eleven billion, one hundred eleven million, one hundred ninety-two thousand, one hundred fifty-nine".