1313563515315 has 16 divisors (see below), whose sum is σ = 2112262944000. Its totient is φ = 697046768352.

The previous prime is 1313563515307. The next prime is 1313563515389. The reversal of 1313563515315 is 5135153653131.

It is a happy number.

It is not a de Polignac number, because 1313563515315 - 2³ = 1313563515307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220024405 + ... + 220030374.

It is an arithmetic number, because the mean of its divisors is an integer number (132016434000).

Almost surely, 2^{1313563515315} is an apocalyptic number.

1313563515315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313563515315 is a deficient number, since it is larger than the sum of its proper divisors (798699428685).

1313563515315 is a wasteful number, since it uses less digits than its factorization.

1313563515315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440054986.

The product of its digits is 303750, while the sum is 42.

The spelling of 1313563515315 in words is "one trillion, three hundred thirteen billion, five hundred sixty-three million, five hundred fifteen thousand, three hundred fifteen".