18030015259 has 2 divisors, whose sum is σ = 18030015260. Its totient is φ = 18030015258.

The previous prime is 18030015253. The next prime is 18030015271. The reversal of 18030015259 is 95251003081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18030015259 - 2⁷ = 18030015131 is a prime.

It is not a weakly prime, because it can be changed into another prime (18030015253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9015007629 + 9015007630.

It is an arithmetic number, because the mean of its divisors is an integer number (9015007630).

Almost surely, 2^18030015259 is an apocalyptic number.

18030015259 is a deficient number, since it is larger than the sum of its proper divisors (1).

18030015259 is an equidigital number, since it uses as much as digits as its factorization.

18030015259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 18030015259 in words is "eighteen billion, thirty million, fifteen thousand, two hundred fifty-nine".