516500500001 has 16 divisors (see below), whose sum is σ = 581031228240. Its totient is φ = 456670126080.

The previous prime is 516500499989. The next prime is 516500500049. The reversal of 516500500001 is 100005005615.

It can be written as a sum of positive squares in 8 ways, for example, as 38445797776 + 478054702225 = 196076^2 + 691415^2 .

It is not a de Polignac number, because 516500500001 - 2⁶ = 516500499937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516500500001.

It is not an unprimeable number, because it can be changed into a prime (516500500081) 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, 14139440 + ... + 14175921.

It is an arithmetic number, because the mean of its divisors is an integer number (36314451765).

Almost surely, 2^516500500001 is an apocalyptic number.

It is an amenable number.

516500500001 is a deficient number, since it is larger than the sum of its proper divisors (64530728239).

516500500001 is a wasteful number, since it uses less digits than its factorization.

516500500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28315444.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 516500500001 its reverse (100005005615), we get a palindrome (616505505616).

The spelling of 516500500001 in words is "five hundred sixteen billion, five hundred million, five hundred thousand, one".