516800811122 has 6 divisors (see below), whose sum is σ = 775202741679. Its totient is φ = 258399897230.

The previous prime is 516800811097. The next prime is 516800811127. The reversal of 516800811122 is 221118008615.

It can be written as a sum of positive squares in only one way, i.e., 258400405561 + 258400405561 = 508331^2 + 508331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=508331.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516800811127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 762497 + ... + 1270827.

Almost surely, 2^516800811122 is an apocalyptic number.

516800811122 is a deficient number, since it is larger than the sum of its proper divisors (258401930557).

516800811122 is an frugal number, since it uses more digits than its factorization.

516800811122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016664 (or 508333 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 35.

Adding to 516800811122 its reverse (221118008615), we get a palindrome (737918819737).

The spelling of 516800811122 in words is "five hundred sixteen billion, eight hundred million, eight hundred eleven thousand, one hundred twenty-two".