12183508518163 has 2 divisors, whose sum is σ = 12183508518164. Its totient is φ = 12183508518162.

The previous prime is 12183508518161. The next prime is 12183508518187. The reversal of 12183508518163 is 36181580538121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12183508518163 - 2¹ = 12183508518161 is a prime.

Together with 12183508518161, 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 12183508518163.

It is not a weakly prime, because it can be changed into another prime (12183508518161) 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, 6091754259081 + 6091754259082.

It is an arithmetic number, because the mean of its divisors is an integer number (6091754259082).

Almost surely, 2^{12183508518163} is an apocalyptic number.

12183508518163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12183508518163 is an equidigital number, since it uses as much as digits as its factorization.

12183508518163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 12183508518163 in words is "twelve trillion, one hundred eighty-three billion, five hundred eight million, five hundred eighteen thousand, one hundred sixty-three".