218782005211 has 16 divisors (see below), whose sum is σ = 272787356160. Its totient is φ = 170466871680.

The previous prime is 218782005199. The next prime is 218782005217. The reversal of 218782005211 is 112500287812.

It is not a de Polignac number, because 218782005211 - 2²³ = 218773616603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218782005217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020115 + ... + 1215811.

It is an arithmetic number, because the mean of its divisors is an integer number (17049209760).

Almost surely, 2^218782005211 is an apocalyptic number.

218782005211 is a deficient number, since it is larger than the sum of its proper divisors (54005350949).

218782005211 is a wasteful number, since it uses less digits than its factorization.

218782005211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210234.

The product of its (nonzero) digits is 17920, while the sum is 37.

The spelling of 218782005211 in words is "two hundred eighteen billion, seven hundred eighty-two million, five thousand, two hundred eleven".