12168675559 has 2 divisors, whose sum is σ = 12168675560. Its totient is φ = 12168675558.

The previous prime is 12168675557. The next prime is 12168675581. The reversal of 12168675559 is 95557686121.

It is a weak prime.

It is an emirp because it is prime and its reverse (95557686121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12168675559 - 2¹ = 12168675557 is a prime.

Together with 12168675557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12168675553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084337779 + 6084337780.

It is an arithmetic number, because the mean of its divisors is an integer number (6084337780).

Almost surely, 2^12168675559 is an apocalyptic number.

12168675559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12168675559 is an equidigital number, since it uses as much as digits as its factorization.

12168675559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 55.

The spelling of 12168675559 in words is "twelve billion, one hundred sixty-eight million, six hundred seventy-five thousand, five hundred fifty-nine".