516857509711 has 2 divisors, whose sum is σ = 516857509712. Its totient is φ = 516857509710.

The previous prime is 516857509687. The next prime is 516857509733. The reversal of 516857509711 is 117905758615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516857509711 - 2¹⁵ = 516857476943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516857509211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258428754855 + 258428754856.

It is an arithmetic number, because the mean of its divisors is an integer number (258428754856).

Almost surely, 2^516857509711 is an apocalyptic number.

516857509711 is a deficient number, since it is larger than the sum of its proper divisors (1).

516857509711 is an equidigital number, since it uses as much as digits as its factorization.

516857509711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646000, while the sum is 55.

The spelling of 516857509711 in words is "five hundred sixteen billion, eight hundred fifty-seven million, five hundred nine thousand, seven hundred eleven".