12165500059 has 2 divisors, whose sum is σ = 12165500060. Its totient is φ = 12165500058.

The previous prime is 12165500051. The next prime is 12165500071. The reversal of 12165500059 is 95000556121.

It is a weak prime.

It is an emirp because it is prime and its reverse (95000556121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12165500059 - 2³ = 12165500051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12165499997 and 12165500033.

It is not a weakly prime, because it can be changed into another prime (12165500051) 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, 6082750029 + 6082750030.

It is an arithmetic number, because the mean of its divisors is an integer number (6082750030).

Almost surely, 2^12165500059 is an apocalyptic number.

12165500059 is a deficient number, since it is larger than the sum of its proper divisors (1).

12165500059 is an equidigital number, since it uses as much as digits as its factorization.

12165500059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 12165500059 in words is "twelve billion, one hundred sixty-five million, five hundred thousand, fifty-nine".