12311113189 has 2 divisors, whose sum is σ = 12311113190. Its totient is φ = 12311113188.

The previous prime is 12311113187. The next prime is 12311113207. The reversal of 12311113189 is 98131111321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9391548100 + 2919565089 = 96910^2 + 54033^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311113189 - 2¹ = 12311113187 is a prime.

Together with 12311113187, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12311113189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12311113183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155556594 + 6155556595.

It is an arithmetic number, because the mean of its divisors is an integer number (6155556595).

Almost surely, 2^12311113189 is an apocalyptic number.

It is an amenable number.

12311113189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311113189 is an equidigital number, since it uses as much as digits as its factorization.

12311113189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 31.

The spelling of 12311113189 in words is "twelve billion, three hundred eleven million, one hundred thirteen thousand, one hundred eighty-nine".