1515313312 has 48 divisors (see below), whose sum is σ = 3016591200. Its totient is φ = 749244672.

The previous prime is 1515313253. The next prime is 1515313333. The reversal of 1515313312 is 2133135151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348783 + ... + 1349905.

It is an arithmetic number, because the mean of its divisors is an integer number (62845650).

Almost surely, 2^1515313312 is an apocalyptic number.

It is an amenable number.

1515313312 is a deficient number, since it is larger than the sum of its proper divisors (1501277888).

1515313312 is a wasteful number, since it uses less digits than its factorization.

1515313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1557 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 1515313312 is about 38927.0254707446. The cubic root of 1515313312 is about 1148.5964760379.

Adding to 1515313312 its reverse (2133135151), we get a palindrome (3648448463).

The spelling of 1515313312 in words is "one billion, five hundred fifteen million, three hundred thirteen thousand, three hundred twelve".