18050056111 has 8 divisors (see below), whose sum is σ = 18555650064. Its totient is φ = 17547574080.

The previous prime is 18050056103. The next prime is 18050056159. The reversal of 18050056111 is 11165005081.

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 18050056111 - 2³ = 18050056103 is a prime.

It is a super-2 number, since 2×18050056111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18050056111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18050056181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766216 + ... + 789421.

It is an arithmetic number, because the mean of its divisors is an integer number (2319456258).

Almost surely, 2^18050056111 is an apocalyptic number.

18050056111 is a deficient number, since it is larger than the sum of its proper divisors (505593953).

18050056111 is a wasteful number, since it uses less digits than its factorization.

18050056111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555961.

The product of its (nonzero) digits is 1200, while the sum is 28.

The spelling of 18050056111 in words is "eighteen billion, fifty million, fifty-six thousand, one hundred eleven".