11149 has 2 divisors, whose sum is σ = 11150. Its totient is φ = 11148.

The previous prime is 11131. The next prime is 11159. The reversal of 11149 is 94111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8649 + 2500 = 93^2 + 50^2 .

It is an emirp because it is prime and its reverse (94111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11149 - 2⁵ = 11117 is a prime.

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574 + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (5575).

2¹¹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

11149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11149 is an equidigital number, since it uses as much as digits as its factorization.

11149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 16.

The square root of 11149 is about 105.5888251663. The cubic root of 11149 is about 22.3397669641.

The spelling of 11149 in words is "eleven thousand, one hundred forty-nine".