12318613511 has 2 divisors, whose sum is σ = 12318613512. Its totient is φ = 12318613510.

The previous prime is 12318613477. The next prime is 12318613513. The reversal of 12318613511 is 11531681321.

12318613511 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 (11531681321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12318613511 - 2²⁶ = 12251504647 is a prime.

Together with 12318613513, 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 (12318613513) 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, 6159306755 + 6159306756.

It is an arithmetic number, because the mean of its divisors is an integer number (6159306756).

Almost surely, 2^12318613511 is an apocalyptic number.

12318613511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12318613511 is an equidigital number, since it uses as much as digits as its factorization.

12318613511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The spelling of 12318613511 in words is "twelve billion, three hundred eighteen million, six hundred thirteen thousand, five hundred eleven".