318712545611 has 2 divisors, whose sum is σ = 318712545612. Its totient is φ = 318712545610.

The previous prime is 318712545607. The next prime is 318712545647. The reversal of 318712545611 is 116545217813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318712545611 - 2² = 318712545607 is a prime.

It is not a weakly prime, because it can be changed into another prime (318712545911) 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 as a sum of consecutive naturals, namely, 159356272805 + 159356272806.

It is an arithmetic number, because the mean of its divisors is an integer number (159356272806).

Almost surely, 2^318712545611 is an apocalyptic number.

318712545611 is a deficient number, since it is larger than the sum of its proper divisors (1).

318712545611 is an equidigital number, since it uses as much as digits as its factorization.

318712545611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 44.

The spelling of 318712545611 in words is "three hundred eighteen billion, seven hundred twelve million, five hundred forty-five thousand, six hundred eleven".