11216052 has 18 divisors (see below), whose sum is σ = 28351778. Its totient is φ = 3738672.

The previous prime is 11216003. The next prime is 11216057. The reversal of 11216052 is 25061211.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 4435236 = 2604^2 + 2106^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216057) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 155743 + ... + 155814.

Almost surely, 2^11216052 is an apocalyptic number.

11216052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11216052 is an abundant number, since it is smaller than the sum of its proper divisors (17135726).

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

11216052 is a wasteful number, since it uses less digits than its factorization.

11216052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311567 (or 311562 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11216052 is about 3349.0374736631. The cubic root of 11216052 is about 223.8446254573.

Adding to 11216052 its reverse (25061211), we get a palindrome (36277263).

The spelling of 11216052 in words is "eleven million, two hundred sixteen thousand, fifty-two".