11216144 has 10 divisors (see below), whose sum is σ = 21731310. Its totient is φ = 5608064.

The previous prime is 11216123. The next prime is 11216147. The reversal of 11216144 is 44161211.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 976144 = 3200^2 + 988^2 .

It is not an unprimeable number, because it can be changed into a prime (11216147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350489 + ... + 350520.

It is an arithmetic number, because the mean of its divisors is an integer number (2173131).

Almost surely, 2^11216144 is an apocalyptic number.

It is an amenable number.

11216144 is a deficient number, since it is larger than the sum of its proper divisors (10515166).

11216144 is an equidigital number, since it uses as much as digits as its factorization.

11216144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701017 (or 701011 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 11216144 is about 3349.0512089247. The cubic root of 11216144 is about 223.8452374863.

Adding to 11216144 its reverse (44161211), we get a palindrome (55377355).

The spelling of 11216144 in words is "eleven million, two hundred sixteen thousand, one hundred forty-four".