18050008205 has 8 divisors (see below), whose sum is σ = 21730565472. Its totient is φ = 14392969488.

The previous prime is 18050008187. The next prime is 18050008217. The reversal of 18050008205 is 50280005081.

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

It is a cyclic number.

It is not a de Polignac number, because 18050008205 - 2¹² = 18050004109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5877947 + ... + 5881016.

It is an arithmetic number, because the mean of its divisors is an integer number (2716320684).

Almost surely, 2^18050008205 is an apocalyptic number.

It is an amenable number.

18050008205 is a deficient number, since it is larger than the sum of its proper divisors (3680557267).

18050008205 is a wasteful number, since it uses less digits than its factorization.

18050008205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11759275.

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 18050008205 in words is "eighteen billion, fifty million, eight thousand, two hundred five".