318182861911 has 2 divisors, whose sum is σ = 318182861912. Its totient is φ = 318182861910.

The previous prime is 318182861891. The next prime is 318182861989. The reversal of 318182861911 is 119168281813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318182861911 - 2²³ = 318174473303 is a prime.

It is a super-2 number, since 2×318182861911² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318182861411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159091430955 + 159091430956.

It is an arithmetic number, because the mean of its divisors is an integer number (159091430956).

Almost surely, 2^318182861911 is an apocalyptic number.

318182861911 is a deficient number, since it is larger than the sum of its proper divisors (1).

318182861911 is an equidigital number, since it uses as much as digits as its factorization.

318182861911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 49.

The spelling of 318182861911 in words is "three hundred eighteen billion, one hundred eighty-two million, eight hundred sixty-one thousand, nine hundred eleven".