11528149 has 2 divisors, whose sum is σ = 11528150. Its totient is φ = 11528148.

The previous prime is 11528123. The next prime is 11528173. The reversal of 11528149 is 94182511.

It is a happy number.

11528149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 2617924 = 2985^2 + 1618^2 .

It is an emirp because it is prime and its reverse (94182511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11528149 - 2⁷ = 11528021 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11528149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11528449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5764074 + 5764075.

It is an arithmetic number, because the mean of its divisors is an integer number (5764075).

Almost surely, 2^11528149 is an apocalyptic number.

It is an amenable number.

11528149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11528149 is an equidigital number, since it uses as much as digits as its factorization.

11528149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 31.

The square root of 11528149 is about 3395.3127985504. The cubic root of 11528149 is about 225.9018878699.

The spelling of 11528149 in words is "eleven million, five hundred twenty-eight thousand, one hundred forty-nine".