18059055559 has 2 divisors, whose sum is σ = 18059055560. Its totient is φ = 18059055558.

The previous prime is 18059055527. The next prime is 18059055661. The reversal of 18059055559 is 95555095081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18059055559 - 2⁵ = 18059055527 is a prime.

It is a super-2 number, since 2×18059055559² (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 (18059035559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9029527779 + 9029527780.

It is an arithmetic number, because the mean of its divisors is an integer number (9029527780).

Almost surely, 2^18059055559 is an apocalyptic number.

18059055559 is a deficient number, since it is larger than the sum of its proper divisors (1).

18059055559 is an equidigital number, since it uses as much as digits as its factorization.

18059055559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025000, while the sum is 52.

The spelling of 18059055559 in words is "eighteen billion, fifty-nine million, fifty-five thousand, five hundred fifty-nine".