1315021133344 has 48 divisors (see below), whose sum is σ = 2695343150808. Its totient is φ = 630976407552.

The previous prime is 1315021133291. The next prime is 1315021133357. The reversal of 1315021133344 is 4433311205131.

It can be written as a sum of positive squares in 4 ways, for example, as 1300083404944 + 14937728400 = 1140212^2 + 122220^2 .

It is a super-2 number, since 2×1315021133344² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7520827 + ... + 7693690.

Almost surely, 2^{1315021133344} is an apocalyptic number.

It is an amenable number.

1315021133344 is an abundant number, since it is smaller than the sum of its proper divisors (1380322017464).

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

1315021133344 is a wasteful number, since it uses less digits than its factorization.

1315021133344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214637 (or 15214629 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 1315021133344 its reverse (4433311205131), we get a palindrome (5748332338475).

The spelling of 1315021133344 in words is "one trillion, three hundred fifteen billion, twenty-one million, one hundred thirty-three thousand, three hundred forty-four".