11522149 has 8 divisors (see below), whose sum is σ = 12058560. Its totient is φ = 11009548.

The previous prime is 11522129. The next prime is 11522153. The reversal of 11522149 is 94122511.

It is a happy number.

It is not a de Polignac number, because 11522149 - 2⁵ = 11522117 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522129) 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, 11694 + ... + 12640.

It is an arithmetic number, because the mean of its divisors is an integer number (1507320).

Almost surely, 2^11522149 is an apocalyptic number.

It is an amenable number.

11522149 is a deficient number, since it is larger than the sum of its proper divisors (536411).

11522149 is an frugal number, since it uses more digits than its factorization.

11522149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 970 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 11522149 is about 3394.4291125313. The cubic root of 11522149 is about 225.8626897140.

The spelling of 11522149 in words is "eleven million, five hundred twenty-two thousand, one hundred forty-nine".