11218056 has 64 divisors (see below), whose sum is σ = 30014400. Its totient is φ = 3483648.

The previous prime is 11218049. The next prime is 11218057. The reversal of 11218056 is 65081211.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 33120 + ... + 33456.

It is an arithmetic number, because the mean of its divisors is an integer number (468975).

Almost surely, 2^11218056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11218056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15007200).

11218056 is an abundant number, since it is smaller than the sum of its proper divisors (18796344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11218056 is a wasteful number, since it uses less digits than its factorization.

11218056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 11218056 is about 3349.3366507415. The cubic root of 11218056 is about 223.8579562893.

Adding to 11218056 its reverse (65081211), we get a palindrome (76299267).

The spelling of 11218056 in words is "eleven million, two hundred eighteen thousand, fifty-six".