12155053199 has 2 divisors, whose sum is σ = 12155053200. Its totient is φ = 12155053198.

The previous prime is 12155053189. The next prime is 12155053201. The reversal of 12155053199 is 99135055121.

It is a strong prime.

It is an emirp because it is prime and its reverse (99135055121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12155053199 - 2¹² = 12155049103 is a prime.

Together with 12155053201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12155053189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6077526599 + 6077526600.

It is an arithmetic number, because the mean of its divisors is an integer number (6077526600).

Almost surely, 2^12155053199 is an apocalyptic number.

12155053199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12155053199 is an equidigital number, since it uses as much as digits as its factorization.

12155053199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 41.

The spelling of 12155053199 in words is "twelve billion, one hundred fifty-five million, fifty-three thousand, one hundred ninety-nine".