513445544315 has 16 divisors (see below), whose sum is σ = 672856727040. Its totient is φ = 373020589920.

The previous prime is 513445544197. The next prime is 513445544321.

513445544315 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-513445544315 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4876835 + ... + 4981004.

It is an arithmetic number, because the mean of its divisors is an integer number (42053545440).

Almost surely, 2^513445544315 is an apocalyptic number.

513445544315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

513445544315 is a deficient number, since it is larger than the sum of its proper divisors (159411182725).

513445544315 is a wasteful number, since it uses less digits than its factorization.

513445544315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858802.

The product of its digits is 1440000, while the sum is 44.

The spelling of 513445544315 in words is "five hundred thirteen billion, four hundred forty-five million, five hundred forty-four thousand, three hundred fifteen".