8851718223211 has 2 divisors, whose sum is σ = 8851718223212. Its totient is φ = 8851718223210.

The previous prime is 8851718223149. The next prime is 8851718223251. The reversal of 8851718223211 is 1123228171588.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8851718223211 - 2¹⁵ = 8851718190443 is a prime.

It is not a weakly prime, because it can be changed into another prime (8851718223251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4425859111605 + 4425859111606.

It is an arithmetic number, because the mean of its divisors is an integer number (4425859111606).

Almost surely, 2^{8851718223211} is an apocalyptic number.

8851718223211 is a deficient number, since it is larger than the sum of its proper divisors (1).

8851718223211 is an equidigital number, since it uses as much as digits as its factorization.

8851718223211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 49.

The spelling of 8851718223211 in words is "eight trillion, eight hundred fifty-one billion, seven hundred eighteen million, two hundred twenty-three thousand, two hundred eleven".