18110011 has 4 divisors (see below), whose sum is σ = 18125272. Its totient is φ = 18094752.

The previous prime is 18109999. The next prime is 18110017. The reversal of 18110011 is 11001181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18110011 - 2⁹ = 18109499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18109973 and 18110000.

It is not an unprimeable number, because it can be changed into a prime (18110017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5685 + ... + 8278.

It is an arithmetic number, because the mean of its divisors is an integer number (4531318).

Almost surely, 2^18110011 is an apocalyptic number.

18110011 is a deficient number, since it is larger than the sum of its proper divisors (15261).

18110011 is a wasteful number, since it uses less digits than its factorization.

18110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15260.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 18110011 is about 4255.5858586098. The cubic root of 18110011 is about 262.6069635136.

Adding to 18110011 its reverse (11001181), we get a palindrome (29111192).

The spelling of 18110011 in words is "eighteen million, one hundred ten thousand, eleven".