513988889315 has 16 divisors (see below), whose sum is σ = 672891273216. Its totient is φ = 373791717600.

The previous prime is 513988889243. The next prime is 513988889317.

513988889315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 513988889315 - 2⁸ = 513988889059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513988889317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953630 + ... + 1391900.

It is an arithmetic number, because the mean of its divisors is an integer number (42055704576).

Almost surely, 2^513988889315 is an apocalyptic number.

513988889315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

513988889315 is a deficient number, since it is larger than the sum of its proper divisors (158902383901).

513988889315 is a wasteful number, since it uses less digits than its factorization.

513988889315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459610.

The product of its digits is 74649600, while the sum is 68.

The spelling of 513988889315 in words is "five hundred thirteen billion, nine hundred eighty-eight million, eight hundred eighty-nine thousand, three hundred fifteen".