18412011 has 12 divisors (see below), whose sum is σ = 26696800. Its totient is φ = 12227760.

The previous prime is 18412001. The next prime is 18412027. The reversal of 18412011 is 11021481.

It is not a de Polignac number, because 18412011 - 2⁵ = 18411979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18412001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1336 + ... + 6213.

Almost surely, 2^18412011 is an apocalyptic number.

18412011 is a deficient number, since it is larger than the sum of its proper divisors (8284789).

18412011 is a wasteful number, since it uses less digits than its factorization.

18412011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826 (or 7823 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 18412011 is about 4290.9219289099. The cubic root of 18412011 is about 264.0586560439.

Adding to 18412011 its reverse (11021481), we get a palindrome (29433492).

The spelling of 18412011 in words is "eighteen million, four hundred twelve thousand, eleven".