318377773811 has 2 divisors, whose sum is σ = 318377773812. Its totient is φ = 318377773810.

The previous prime is 318377773783. The next prime is 318377773853. The reversal of 318377773811 is 118377773813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318377773811 - 2¹⁸ = 318377511667 is a prime.

It is not a weakly prime, because it can be changed into another prime (318377773871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159188886905 + 159188886906.

It is an arithmetic number, because the mean of its divisors is an integer number (159188886906).

Almost surely, 2^318377773811 is an apocalyptic number.

318377773811 is a deficient number, since it is larger than the sum of its proper divisors (1).

318377773811 is an equidigital number, since it uses as much as digits as its factorization.

318377773811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4148928, while the sum is 56.

The spelling of 318377773811 in words is "three hundred eighteen billion, three hundred seventy-seven million, seven hundred seventy-three thousand, eight hundred eleven".