11216149 has 6 divisors (see below), whose sum is σ = 13047414. Its totient is φ = 9613800.

The previous prime is 11216147. The next prime is 11216171. The reversal of 11216149 is 94161211.

It can be written as a sum of positive squares in only one way, i.e., 11009124 + 207025 = 3318^2 + 455^2 .

It is not a de Polignac number, because 11216149 - 2¹ = 11216147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216147) 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, 114402 + ... + 114499.

It is an arithmetic number, because the mean of its divisors is an integer number (2174569).

Almost surely, 2^11216149 is an apocalyptic number.

It is an amenable number.

11216149 is a deficient number, since it is larger than the sum of its proper divisors (1831265).

11216149 is an equidigital number, since it uses as much as digits as its factorization.

11216149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228915 (or 228908 counting only the distinct ones).

The product of its digits is 432, while the sum is 25.

The square root of 11216149 is about 3349.0519554047. The cubic root of 11216149 is about 223.8452707487.

It can be divided in two parts, 112 and 16149, that added together give a palindrome (16261).

The spelling of 11216149 in words is "eleven million, two hundred sixteen thousand, one hundred forty-nine".