18028765312814 has 16 divisors (see below), whose sum is σ = 27047829622176. Its totient is φ = 9012822249600.

The previous prime is 18028765312769. The next prime is 18028765312847. The reversal of 18028765312814 is 41821356782081.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18028765312814.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 531632519 + ... + 531666429.

It is an arithmetic number, because the mean of its divisors is an integer number (1690489351386).

Almost surely, 2^{18028765312814} is an apocalyptic number.

18028765312814 is a deficient number, since it is larger than the sum of its proper divisors (9019064309362).

18028765312814 is a wasteful number, since it uses less digits than its factorization.

18028765312814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72091.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 18028765312814 in words is "eighteen trillion, twenty-eight billion, seven hundred sixty-five million, three hundred twelve thousand, eight hundred fourteen".