516291775211 has 2 divisors, whose sum is σ = 516291775212. Its totient is φ = 516291775210.

The previous prime is 516291775193. The next prime is 516291775267. The reversal of 516291775211 is 112577192615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516291775211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (516291775271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258145887605 + 258145887606.

It is an arithmetic number, because the mean of its divisors is an integer number (258145887606).

Almost surely, 2^516291775211 is an apocalyptic number.

516291775211 is a deficient number, since it is larger than the sum of its proper divisors (1).

516291775211 is an equidigital number, since it uses as much as digits as its factorization.

516291775211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 47.

The spelling of 516291775211 in words is "five hundred sixteen billion, two hundred ninety-one million, seven hundred seventy-five thousand, two hundred eleven".