11216055 has 8 divisors (see below), whose sum is σ = 17945712. Its totient is φ = 5981888.

The previous prime is 11216003. The next prime is 11216057. The reversal of 11216055 is 55061211.

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

It is a cyclic number.

It is not a de Polignac number, because 11216055 - 2¹⁰ = 11215031 is a prime.

It is a nialpdrome in base 15.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373854 + ... + 373883.

It is an arithmetic number, because the mean of its divisors is an integer number (2243214).

Almost surely, 2^11216055 is an apocalyptic number.

11216055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11216055 is a deficient number, since it is larger than the sum of its proper divisors (6729657).

11216055 is an equidigital number, since it uses as much as digits as its factorization.

11216055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747745.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 11216055 is about 3349.0379215530. The cubic root of 11216055 is about 223.8446454148.

Adding to 11216055 its reverse (55061211), we get a palindrome (66277266).

The spelling of 11216055 in words is "eleven million, two hundred sixteen thousand, fifty-five".