18998120059 has 2 divisors, whose sum is σ = 18998120060. Its totient is φ = 18998120058.

The previous prime is 18998119999. The next prime is 18998120161. The reversal of 18998120059 is 95002189981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18998120059 - 2¹¹ = 18998118011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18998119988 and 18998120015.

It is not a weakly prime, because it can be changed into another prime (18998121059) 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, 9499060029 + 9499060030.

It is an arithmetic number, because the mean of its divisors is an integer number (9499060030).

Almost surely, 2^18998120059 is an apocalyptic number.

18998120059 is a deficient number, since it is larger than the sum of its proper divisors (1).

18998120059 is an equidigital number, since it uses as much as digits as its factorization.

18998120059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 52.

The spelling of 18998120059 in words is "eighteen billion, nine hundred ninety-eight million, one hundred twenty thousand, fifty-nine".