18022794011 has 2 divisors, whose sum is σ = 18022794012. Its totient is φ = 18022794010.

The previous prime is 18022793977. The next prime is 18022794047. The reversal of 18022794011 is 11049722081.

It is a weak prime.

It is an emirp because it is prime and its reverse (11049722081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18022794011 - 2¹⁰ = 18022792987 is a prime.

It is a super-2 number, since 2×18022794011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18022794061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9011397005 + 9011397006.

It is an arithmetic number, because the mean of its divisors is an integer number (9011397006).

Almost surely, 2^18022794011 is an apocalyptic number.

18022794011 is a deficient number, since it is larger than the sum of its proper divisors (1).

18022794011 is an equidigital number, since it uses as much as digits as its factorization.

18022794011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 18022794011 in words is "eighteen billion, twenty-two million, seven hundred ninety-four thousand, eleven".