515313065505 has 64 divisors (see below), whose sum is σ = 997839336960. Its totient is φ = 221686984704.

The previous prime is 515313065483. The next prime is 515313065543. The reversal of 515313065505 is 505560313515.

It is not a de Polignac number, because 515313065505 - 2¹⁵ = 515313032737 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 63 ways as a sum of consecutive naturals, for example, 21759811 + ... + 21783479.

It is an arithmetic number, because the mean of its divisors is an integer number (15591239640).

Almost surely, 2^515313065505 is an apocalyptic number.

It is an amenable number.

515313065505 is a deficient number, since it is larger than the sum of its proper divisors (482526271455).

515313065505 is a wasteful number, since it uses less digits than its factorization.

515313065505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35898.

The product of its (nonzero) digits is 168750, while the sum is 39.

The spelling of 515313065505 in words is "five hundred fifteen billion, three hundred thirteen million, sixty-five thousand, five hundred five".