18112442201259 has 16 divisors (see below), whose sum is σ = 27910023298560. Its totient is φ = 10233675207360.

The previous prime is 18112442201239. The next prime is 18112442201267. The reversal of 18112442201259 is 95210224421181.

It is not a de Polignac number, because 18112442201259 - 2¹³ = 18112442193067 is a prime.

It is a super-2 number, since 2×18112442201259² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18112442201259.

It is not an unprimeable number, because it can be changed into a prime (18112442201219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4845488287 + ... + 4845492024.

It is an arithmetic number, because the mean of its divisors is an integer number (1744376456160).

Almost surely, 2^{18112442201259} is an apocalyptic number.

18112442201259 is a deficient number, since it is larger than the sum of its proper divisors (9797581097301).

18112442201259 is an equidigital number, since it uses as much as digits as its factorization.

18112442201259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690980410.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 18112442201259 in words is "eighteen trillion, one hundred twelve billion, four hundred forty-two million, two hundred one thousand, two hundred fifty-nine".