18000111900673 has 8 divisors (see below), whose sum is σ = 21127544470592. Its totient is φ = 15011676333936.

The previous prime is 18000111900671. The next prime is 18000111900691. The reversal of 18000111900673 is 37600911100081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18000111900673 - 2¹ = 18000111900671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (18000111900671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34749250515 + ... + 34749251032.

It is an arithmetic number, because the mean of its divisors is an integer number (2640943058824).

Almost surely, 2^{18000111900673} is an apocalyptic number.

It is an amenable number.

18000111900673 is a deficient number, since it is larger than the sum of its proper divisors (3127432569919).

18000111900673 is an equidigital number, since it uses as much as digits as its factorization.

18000111900673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69498501591.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 18000111900673 in words is "eighteen trillion, one hundred eleven million, nine hundred thousand, six hundred seventy-three".