11550169 has 2 divisors, whose sum is σ = 11550170. Its totient is φ = 11550168.

The previous prime is 11550137. The next prime is 11550181. The reversal of 11550169 is 96105511.

11550169 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., 11471769 + 78400 = 3387^2 + 280^2 .

It is an emirp because it is prime and its reverse (96105511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11550169 - 2⁵ = 11550137 is a prime.

It is a super-2 number, since 2×11550169² = 266812807857122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11553169) 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 as a sum of consecutive naturals, namely, 5775084 + 5775085.

It is an arithmetic number, because the mean of its divisors is an integer number (5775085).

Almost surely, 2^11550169 is an apocalyptic number.

It is an amenable number.

11550169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550169 is an equidigital number, since it uses as much as digits as its factorization.

11550169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 11550169 is about 3398.5539572000. The cubic root of 11550169 is about 226.0456286601.

The spelling of 11550169 in words is "eleven million, five hundred fifty thousand, one hundred sixty-nine".