12115660199 has 2 divisors, whose sum is σ = 12115660200. Its totient is φ = 12115660198.

The previous prime is 12115660153. The next prime is 12115660211. The reversal of 12115660199 is 99106651121.

12115660199 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 is an emirp because it is prime and its reverse (99106651121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12115660199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12115660129) 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, 6057830099 + 6057830100.

It is an arithmetic number, because the mean of its divisors is an integer number (6057830100).

Almost surely, 2^12115660199 is an apocalyptic number.

12115660199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12115660199 is an equidigital number, since it uses as much as digits as its factorization.

12115660199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 41.

The spelling of 12115660199 in words is "twelve billion, one hundred fifteen million, six hundred sixty thousand, one hundred ninety-nine".