2311199589191 has 2 divisors, whose sum is σ = 2311199589192. Its totient is φ = 2311199589190.

The previous prime is 2311199589151. The next prime is 2311199589199. The reversal of 2311199589191 is 1919859911132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311199589191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2311199589191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311199589199) 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, 1155599794595 + 1155599794596.

It is an arithmetic number, because the mean of its divisors is an integer number (1155599794596).

Almost surely, 2^{2311199589191} is an apocalyptic number.

2311199589191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311199589191 is an equidigital number, since it uses as much as digits as its factorization.

2311199589191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 59.

The spelling of 2311199589191 in words is "two trillion, three hundred eleven billion, one hundred ninety-nine million, five hundred eighty-nine thousand, one hundred ninety-one".