11443171 has 4 divisors (see below), whose sum is σ = 11544552. Its totient is φ = 11341792.

The previous prime is 11443169. The next prime is 11443181. The reversal of 11443171 is 17134411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17134411 = 7 ⋅2447773.

It is a cyclic number.

It is not a de Polignac number, because 11443171 - 2¹ = 11443169 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50521 + ... + 50746.

It is an arithmetic number, because the mean of its divisors is an integer number (2886138).

Almost surely, 2^11443171 is an apocalyptic number.

11443171 is a deficient number, since it is larger than the sum of its proper divisors (101381).

11443171 is a wasteful number, since it uses less digits than its factorization.

11443171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101380.

The product of its digits is 336, while the sum is 22.

The square root of 11443171 is about 3382.7756354804. The cubic root of 11443171 is about 225.3454512369.

Adding to 11443171 its reverse (17134411), we get a palindrome (28577582).

The spelling of 11443171 in words is "eleven million, four hundred forty-three thousand, one hundred seventy-one".