18276703811 has 2 divisors, whose sum is σ = 18276703812. Its totient is φ = 18276703810.

The previous prime is 18276703807. The next prime is 18276703817. The reversal of 18276703811 is 11830767281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18276703811 - 2² = 18276703807 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (18276703817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9138351905 + 9138351906.

It is an arithmetic number, because the mean of its divisors is an integer number (9138351906).

Almost surely, 2^18276703811 is an apocalyptic number.

18276703811 is a deficient number, since it is larger than the sum of its proper divisors (1).

18276703811 is an equidigital number, since it uses as much as digits as its factorization.

18276703811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 18276703811 in words is "eighteen billion, two hundred seventy-six million, seven hundred three thousand, eight hundred eleven".