11218055 has 8 divisors (see below), whose sum is σ = 13774992. Its totient is φ = 8765568.

The previous prime is 11218049. The next prime is 11218057. The reversal of 11218055 is 55081211.

11218055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11218055 - 2⁶ = 11217991 is a prime.

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 11218055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11218057) 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, 25874 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (1721874).

Almost surely, 2^11218055 is an apocalyptic number.

11218055 is a deficient number, since it is larger than the sum of its proper divisors (2556937).

11218055 is an equidigital number, since it uses as much as digits as its factorization.

11218055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52225.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 11218055 is about 3349.3365014582. The cubic root of 11218055 is about 223.8579496376.

Adding to 11218055 its reverse (55081211), we get a palindrome (66299266).

The spelling of 11218055 in words is "eleven million, two hundred eighteen thousand, fifty-five".