1311840953179 has 2 divisors, whose sum is σ = 1311840953180. Its totient is φ = 1311840953178.

The previous prime is 1311840953123. The next prime is 1311840953191. The reversal of 1311840953179 is 9713590481131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311840953179 - 2¹⁷ = 1311840822107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311840953279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655920476589 + 655920476590.

It is an arithmetic number, because the mean of its divisors is an integer number (655920476590).

Almost surely, 2^{1311840953179} is an apocalyptic number.

1311840953179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311840953179 is an equidigital number, since it uses as much as digits as its factorization.

1311840953179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 1311840953179 in words is "one trillion, three hundred eleven billion, eight hundred forty million, nine hundred fifty-three thousand, one hundred seventy-nine".