11146 has 4 divisors (see below), whose sum is σ = 16722. Its totient is φ = 5572.

The previous prime is 11131. The next prime is 11149. The reversal of 11146 is 64111.

11146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64111 = 61 ⋅1051.

It can be written as a sum of positive squares in only one way, i.e., 11025 + 121 = 105^2 + 11^2 .

It is an Ulam number.

It is a plaindrome in base 6 and base 10.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (11149) by changing a digit.

11146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785 + ... + 2788.

2¹¹¹⁴⁶ is an apocalyptic number.

11146 is a deficient number, since it is larger than the sum of its proper divisors (5576).

11146 is an equidigital number, since it uses as much as digits as its factorization.

11146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575.

The product of its digits is 24, while the sum is 13.

The square root of 11146 is about 105.5746181618. The cubic root of 11146 is about 22.3377630381.

Adding to 11146 its reverse (64111), we get a palindrome (75257).

The spelling of 11146 in words is "eleven thousand, one hundred forty-six".