11200018 has 8 divisors (see below), whose sum is σ = 16871040. Its totient is φ = 5576340.

The previous prime is 11200009. The next prime is 11200019. The reversal of 11200018 is 81000211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11199980 and 11200007.

It is not an unprimeable number, because it can be changed into a prime (11200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11238 + ... + 12193.

It is an arithmetic number, because the mean of its divisors is an integer number (2108880).

Almost surely, 2^11200018 is an apocalyptic number.

11200018 is a deficient number, since it is larger than the sum of its proper divisors (5671022).

11200018 is a wasteful number, since it uses less digits than its factorization.

11200018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23672.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 11200018 is about 3346.6427953996. The cubic root of 11200018 is about 223.7379082757.

Adding to 11200018 its reverse (81000211), we get a palindrome (92200229).

The spelling of 11200018 in words is "eleven million, two hundred thousand, eighteen".