11216445 has 8 divisors (see below), whose sum is σ = 17946336. Its totient is φ = 5982096.

The previous prime is 11216423. The next prime is 11216449. The reversal of 11216445 is 54461211.

It is a happy number.

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

It is not a de Polignac number, because 11216445 - 2⁸ = 11216189 is a prime.

It is a super-3 number, since 3×11216445³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373867 + ... + 373896.

It is an arithmetic number, because the mean of its divisors is an integer number (2243292).

Almost surely, 2^11216445 is an apocalyptic number.

11216445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11216445 is a deficient number, since it is larger than the sum of its proper divisors (6729891).

11216445 is an equidigital number, since it uses as much as digits as its factorization.

11216445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747771.

The product of its digits is 960, while the sum is 24.

The square root of 11216445 is about 3349.0961467238. The cubic root of 11216445 is about 223.8472398624.

Adding to 11216445 its reverse (54461211), we get a palindrome (65677656).

The spelling of 11216445 in words is "eleven million, two hundred sixteen thousand, four hundred forty-five".