1311273636364 has 24 divisors (see below), whose sum is σ = 2299672217808. Its totient is φ = 654224746560.

The previous prime is 1311273636331. The next prime is 1311273636373. The reversal of 1311273636364 is 4636363721131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19081314 + ... + 19149910.

It is an arithmetic number, because the mean of its divisors is an integer number (95819675742).

Almost surely, 2^{1311273636364} is an apocalyptic number.

It is an amenable number.

1311273636364 is a deficient number, since it is larger than the sum of its proper divisors (988398581444).

1311273636364 is a wasteful number, since it uses less digits than its factorization.

1311273636364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78825 (or 78823 counting only the distinct ones).

The product of its digits is 979776, while the sum is 46.

The spelling of 1311273636364 in words is "one trillion, three hundred eleven billion, two hundred seventy-three million, six hundred thirty-six thousand, three hundred sixty-four".