1315122716944 has 15 divisors (see below), whose sum is σ = 2548059151717. Its totient is φ = 657559064896.

The previous prime is 1315122716939. The next prime is 1315122716951. The reversal of 1315122716944 is 4496172215131.

The square root of 1315122716944 is 1146788.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 528907107600 + 786215609344 = 727260^2 + 886688^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315122716894 and 1315122716903.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4443804 + ... + 4730500.

Almost surely, 2^{1315122716944} is an apocalyptic number.

1315122716944 is the 1146788-th square number.

It is an amenable number.

1315122716944 is a deficient number, since it is larger than the sum of its proper divisors (1232936434773).

1315122716944 is an frugal number, since it uses more digits than its factorization.

1315122716944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573402 (or 286699 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The spelling of 1315122716944 in words is "one trillion, three hundred fifteen billion, one hundred twenty-two million, seven hundred sixteen thousand, nine hundred forty-four".