12326205181811 has 2 divisors, whose sum is σ = 12326205181812. Its totient is φ = 12326205181810.

The previous prime is 12326205181769. The next prime is 12326205181813. The reversal of 12326205181811 is 11818150262321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12326205181811 is a prime.

Together with 12326205181813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12326205181813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6163102590905 + 6163102590906.

It is an arithmetic number, because the mean of its divisors is an integer number (6163102590906).

Almost surely, 2^{12326205181811} is an apocalyptic number.

12326205181811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12326205181811 is an equidigital number, since it uses as much as digits as its factorization.

12326205181811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 12326205181811 in words is "twelve trillion, three hundred twenty-six billion, two hundred five million, one hundred eighty-one thousand, eight hundred eleven".