11823816218 has 8 divisors (see below), whose sum is σ = 18506842848. Its totient is φ = 5654868604.

The previous prime is 11823816203. The next prime is 11823816271. The reversal of 11823816218 is 81261832811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128519696 + ... + 128519787.

It is an arithmetic number, because the mean of its divisors is an integer number (2313355356).

Almost surely, 2^11823816218 is an apocalyptic number.

11823816218 is a deficient number, since it is larger than the sum of its proper divisors (6683026630).

11823816218 is a wasteful number, since it uses less digits than its factorization.

11823816218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257039508.

The product of its digits is 36864, while the sum is 41.

The spelling of 11823816218 in words is "eleven billion, eight hundred twenty-three million, eight hundred sixteen thousand, two hundred eighteen".