13331231111879 has 2 divisors, whose sum is σ = 13331231111880. Its totient is φ = 13331231111878.

The previous prime is 13331231111857. The next prime is 13331231111893. The reversal of 13331231111879 is 97811113213331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331231111879 is a prime.

It is a super-2 number, since 2×13331231111879² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13331231111819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665615555939 + 6665615555940.

It is an arithmetic number, because the mean of its divisors is an integer number (6665615555940).

Almost surely, 2^{13331231111879} is an apocalyptic number.

13331231111879 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331231111879 is an equidigital number, since it uses as much as digits as its factorization.

13331231111879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The spelling of 13331231111879 in words is "thirteen trillion, three hundred thirty-one billion, two hundred thirty-one million, one hundred eleven thousand, eight hundred seventy-nine".