18117033119 has 2 divisors, whose sum is σ = 18117033120. Its totient is φ = 18117033118.

The previous prime is 18117033079. The next prime is 18117033133. The reversal of 18117033119 is 91133071181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18117033119 is a prime.

It is a super-2 number, since 2×18117033119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18117033419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9058516559 + 9058516560.

It is an arithmetic number, because the mean of its divisors is an integer number (9058516560).

Almost surely, 2^18117033119 is an apocalyptic number.

18117033119 is a deficient number, since it is larger than the sum of its proper divisors (1).

18117033119 is an equidigital number, since it uses as much as digits as its factorization.

18117033119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 18117033119 in words is "eighteen billion, one hundred seventeen million, thirty-three thousand, one hundred nineteen".