1311616622512 has 40 divisors (see below), whose sum is σ = 2904443420192. Its totient is φ = 562092480000.

The previous prime is 1311616622509. The next prime is 1311616622521. The reversal of 1311616622512 is 2152266161131.

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, 1960012 + ... + 2542612.

Almost surely, 2^{1311616622512} is an apocalyptic number.

It is an amenable number.

1311616622512 is an abundant number, since it is smaller than the sum of its proper divisors (1592826797680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311616622512 is a wasteful number, since it uses less digits than its factorization.

1311616622512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602717 (or 602711 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The spelling of 1311616622512 in words is "one trillion, three hundred eleven billion, six hundred sixteen million, six hundred twenty-two thousand, five hundred twelve".