18311279968801 has 8 divisors (see below), whose sum is σ = 18318241575360. Its totient is φ = 18304319259408.

The previous prime is 18311279968799. The next prime is 18311279968837. The reversal of 18311279968801 is 10886997211381.

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 18311279968801 - 2¹ = 18311279968799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18311279998801) 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, 42113215 + ... + 42545803.

It is an arithmetic number, because the mean of its divisors is an integer number (2289780196920).

Almost surely, 2^{18311279968801} is an apocalyptic number.

It is an amenable number.

18311279968801 is a deficient number, since it is larger than the sum of its proper divisors (6961606559).

18311279968801 is a wasteful number, since it uses less digits than its factorization.

18311279968801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448583.

The product of its (nonzero) digits is 10450944, while the sum is 64.

The spelling of 18311279968801 in words is "eighteen trillion, three hundred eleven billion, two hundred seventy-nine million, nine hundred sixty-eight thousand, eight hundred one".