518831338411 has 2 divisors, whose sum is σ = 518831338412. Its totient is φ = 518831338410.

The previous prime is 518831338307. The next prime is 518831338447. The reversal of 518831338411 is 114833138815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 518831338411 - 2¹³ = 518831330219 is a prime.

It is not a weakly prime, because it can be changed into another prime (518831338451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259415669205 + 259415669206.

It is an arithmetic number, because the mean of its divisors is an integer number (259415669206).

Almost surely, 2^518831338411 is an apocalyptic number.

518831338411 is a deficient number, since it is larger than the sum of its proper divisors (1).

518831338411 is an equidigital number, since it uses as much as digits as its factorization.

518831338411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The spelling of 518831338411 in words is "five hundred eighteen billion, eight hundred thirty-one million, three hundred thirty-eight thousand, four hundred eleven".