516215236315 has 16 divisors (see below), whose sum is σ = 631306690560. Its totient is φ = 405103231840.

The previous prime is 516215236237. The next prime is 516215236321. The reversal of 516215236315 is 513632512615.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-516215236315 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, 1735771 + ... + 2011300.

It is an arithmetic number, because the mean of its divisors is an integer number (39456668160).

Almost surely, 2^516215236315 is an apocalyptic number.

516215236315 is a deficient number, since it is larger than the sum of its proper divisors (115091454245).

516215236315 is a wasteful number, since it uses less digits than its factorization.

516215236315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747602.

The product of its digits is 162000, while the sum is 40.

The spelling of 516215236315 in words is "five hundred sixteen billion, two hundred fifteen million, two hundred thirty-six thousand, three hundred fifteen".