18908385120001 has 8 divisors (see below), whose sum is σ = 20796128970624. Its totient is φ = 17082534510480.

The previous prime is 18908385119999. The next prime is 18908385120013. The reversal of 18908385120001 is 10002158380981.

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 18908385120001 - 2¹ = 18908385119999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18908385120061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15473309635 + ... + 15473310856.

It is an arithmetic number, because the mean of its divisors is an integer number (2599516121328).

Almost surely, 2^{18908385120001} is an apocalyptic number.

It is an amenable number.

18908385120001 is a deficient number, since it is larger than the sum of its proper divisors (1887743850623).

18908385120001 is a wasteful number, since it uses less digits than its factorization.

18908385120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30946620551.

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 18908385120001 in words is "eighteen trillion, nine hundred eight billion, three hundred eighty-five million, one hundred twenty thousand, one".