516321123359 has 2 divisors, whose sum is σ = 516321123360. Its totient is φ = 516321123358.

The previous prime is 516321123349. The next prime is 516321123361. The reversal of 516321123359 is 953321123615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516321123359 is a prime.

Together with 516321123361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516321123319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258160561679 + 258160561680.

It is an arithmetic number, because the mean of its divisors is an integer number (258160561680).

Almost surely, 2^516321123359 is an apocalyptic number.

516321123359 is a deficient number, since it is larger than the sum of its proper divisors (1).

516321123359 is an equidigital number, since it uses as much as digits as its factorization.

516321123359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The spelling of 516321123359 in words is "five hundred sixteen billion, three hundred twenty-one million, one hundred twenty-three thousand, three hundred fifty-nine".