18317772560001 has 16 divisors (see below), whose sum is σ = 24436154002880. Its totient is φ = 12205620872640.

The previous prime is 18317772559993. The next prime is 18317772560047. The reversal of 18317772560001 is 10006527771381.

It is not a de Polignac number, because 18317772560001 - 2³ = 18317772559993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18317772560071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67602771 + ... + 67873191.

It is an arithmetic number, because the mean of its divisors is an integer number (1527259625180).

Almost surely, 2^{18317772560001} is an apocalyptic number.

It is an amenable number.

18317772560001 is a deficient number, since it is larger than the sum of its proper divisors (6118381442879).

18317772560001 is a wasteful number, since it uses less digits than its factorization.

18317772560001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281856.

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 18317772560001 in words is "eighteen trillion, three hundred seventeen billion, seven hundred seventy-two million, five hundred sixty thousand, one".