18144682017305 has 8 divisors (see below), whose sum is σ = 21785641412544. Its totient is φ = 14507730286000.

The previous prime is 18144682017227. The next prime is 18144682017313. The reversal of 18144682017305 is 50371028644181.

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

It is not a de Polignac number, because 18144682017305 - 2¹² = 18144682013209 is a prime.

It is a super-2 number, since 2×18144682017305² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001906021 + ... + 1001924130.

It is an arithmetic number, because the mean of its divisors is an integer number (2723205176568).

Almost surely, 2^{18144682017305} is an apocalyptic number.

It is an amenable number.

18144682017305 is a deficient number, since it is larger than the sum of its proper divisors (3640959395239).

18144682017305 is a wasteful number, since it uses less digits than its factorization.

18144682017305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003831967.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 18144682017305 in words is "eighteen trillion, one hundred forty-four billion, six hundred eighty-two million, seventeen thousand, three hundred five".