11506171 has 2 divisors, whose sum is σ = 11506172. Its totient is φ = 11506170.

The previous prime is 11506169. The next prime is 11506213. The reversal of 11506171 is 17160511.

It is a weak prime.

It is an emirp because it is prime and its reverse (17160511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11506171 - 2¹ = 11506169 is a prime.

Together with 11506169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11506471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5753085 + 5753086.

It is an arithmetic number, because the mean of its divisors is an integer number (5753086).

Almost surely, 2^11506171 is an apocalyptic number.

11506171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11506171 is an equidigital number, since it uses as much as digits as its factorization.

11506171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 11506171 is about 3392.0747338465. The cubic root of 11506171 is about 225.7582386117.

Adding to 11506171 its reverse (17160511), we get a palindrome (28666682).

The spelling of 11506171 in words is "eleven million, five hundred six thousand, one hundred seventy-one".