11216552 has 16 divisors (see below), whose sum is σ = 21104160. Its totient is φ = 5588784.

The previous prime is 11216521. The next prime is 11216563. The reversal of 11216552 is 25561211.

It is a happy number.

It is a super-2 number, since 2×11216552² = 251622077537408, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

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, 173 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (1319010).

Almost surely, 2^11216552 is an apocalyptic number.

It is an amenable number.

11216552 is a deficient number, since it is larger than the sum of its proper divisors (9887608).

11216552 is a wasteful number, since it uses less digits than its factorization.

11216552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880 (or 4876 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 11216552 is about 3349.1121211449. The cubic root of 11216552 is about 223.8479516618.

Adding to 11216552 its reverse (25561211), we get a palindrome (36777763).

The spelling of 11216552 in words is "eleven million, two hundred sixteen thousand, five hundred fifty-two".