18142864894081 has 8 divisors (see below), whose sum is σ = 18148147244928. Its totient is φ = 18137582880000.

The previous prime is 18142864894079. The next prime is 18142864894109. The reversal of 18142864894081 is 18049846824181.

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 18142864894081 - 2¹ = 18142864894079 is a prime.

It is a super-2 number, since 2×18142864894081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18142864894051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141322401 + ... + 141450721.

It is an arithmetic number, because the mean of its divisors is an integer number (2268518405616).

Almost surely, 2^{18142864894081} is an apocalyptic number.

It is an amenable number.

18142864894081 is a deficient number, since it is larger than the sum of its proper divisors (5282350847).

18142864894081 is a wasteful number, since it uses less digits than its factorization.

18142864894081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168383.

The product of its (nonzero) digits is 28311552, while the sum is 64.

The spelling of 18142864894081 in words is "eighteen trillion, one hundred forty-two billion, eight hundred sixty-four million, eight hundred ninety-four thousand, eighty-one".