11705050172218 has 32 divisors (see below), whose sum is σ = 19903843814400. Its totient is φ = 5117864026176.

The previous prime is 11705050172183. The next prime is 11705050172227. The reversal of 11705050172218 is 81227105050711.

It is an unprimeable number.

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, 19976568 + ... + 20554156.

It is an arithmetic number, because the mean of its divisors is an integer number (621995119200).

Almost surely, 2^{11705050172218} is an apocalyptic number.

11705050172218 is a deficient number, since it is larger than the sum of its proper divisors (8198793642182).

11705050172218 is a wasteful number, since it uses less digits than its factorization.

11705050172218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618646.

The product of its (nonzero) digits is 39200, while the sum is 40.

The spelling of 11705050172218 in words is "eleven trillion, seven hundred five billion, fifty million, one hundred seventy-two thousand, two hundred eighteen".