18215141717068 has 6 divisors (see below), whose sum is σ = 31876498004876. Its totient is φ = 9107570858532.

The previous prime is 18215141717041. The next prime is 18215141717083. The reversal of 18215141717068 is 86071714151281.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2276892714630 + ... + 2276892714637.

Almost surely, 2^{18215141717068} is an apocalyptic number.

It is an amenable number.

18215141717068 is a deficient number, since it is larger than the sum of its proper divisors (13661356287808).

18215141717068 is a wasteful number, since it uses less digits than its factorization.

18215141717068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553785429271 (or 4553785429269 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 52.

The spelling of 18215141717068 in words is "eighteen trillion, two hundred fifteen billion, one hundred forty-one million, seven hundred seventeen thousand, sixty-eight".