18182011011 has 32 divisors (see below), whose sum is σ = 25242062400. Its totient is φ = 11631628800.

The previous prime is 18182010997. The next prime is 18182011021. The reversal of 18182011011 is 11011028181.

It is not a de Polignac number, because 18182011011 - 2⁷ = 18182010883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18182011021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3012745 + ... + 3018773.

It is an arithmetic number, because the mean of its divisors is an integer number (788814450).

Almost surely, 2^18182011011 is an apocalyptic number.

18182011011 is a deficient number, since it is larger than the sum of its proper divisors (7060051389).

18182011011 is a wasteful number, since it uses less digits than its factorization.

18182011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439.

The product of its (nonzero) digits is 128, while the sum is 24.

Adding to 18182011011 its reverse (11011028181), we get a palindrome (29193039192).

The spelling of 18182011011 in words is "eighteen billion, one hundred eighty-two million, eleven thousand, eleven".