11684218894 has 12 divisors (see below), whose sum is σ = 17900834544. Its totient is φ = 5717296392.

The previous prime is 11684218867. The next prime is 11684218901. The reversal of 11684218894 is 49881248611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1042432 + ... + 1053580.

It is an arithmetic number, because the mean of its divisors is an integer number (1491736212).

Almost surely, 2^11684218894 is an apocalyptic number.

11684218894 is a deficient number, since it is larger than the sum of its proper divisors (6216615650).

11684218894 is an frugal number, since it uses more digits than its factorization.

11684218894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347 (or 11198 counting only the distinct ones).

The product of its digits is 884736, while the sum is 52.

The spelling of 11684218894 in words is "eleven billion, six hundred eighty-four million, two hundred eighteen thousand, eight hundred ninety-four".