1311446315516 has 12 divisors (see below), whose sum is σ = 2307046922880. Its totient is φ = 652290051840.

The previous prime is 1311446315423. The next prime is 1311446315561. The reversal of 1311446315516 is 6155136441131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858275621 + ... + 858277148.

It is an arithmetic number, because the mean of its divisors is an integer number (192253910240).

Almost surely, 2^{1311446315516} is an apocalyptic number.

It is an amenable number.

1311446315516 is a deficient number, since it is larger than the sum of its proper divisors (995600607364).

1311446315516 is a wasteful number, since it uses less digits than its factorization.

1311446315516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716552964 (or 1716552962 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The spelling of 1311446315516 in words is "one trillion, three hundred eleven billion, four hundred forty-six million, three hundred fifteen thousand, five hundred sixteen".