11551171 has 2 divisors, whose sum is σ = 11551172. Its totient is φ = 11551170.

The previous prime is 11551157. The next prime is 11551181. The reversal of 11551171 is 17115511.

11551171 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 is a cyclic number.

It is not a de Polignac number, because 11551171 - 2⁵ = 11551139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11551121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775585 + 5775586.

It is an arithmetic number, because the mean of its divisors is an integer number (5775586).

Almost surely, 2^11551171 is an apocalyptic number.

11551171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551171 is an equidigital number, since it uses as much as digits as its factorization.

11551171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 175, while the sum is 22.

The square root of 11551171 is about 3398.7013696411. The cubic root of 11551171 is about 226.0521651062.

Adding to 11551171 its reverse (17115511), we get a palindrome (28666682).

The spelling of 11551171 in words is "eleven million, five hundred fifty-one thousand, one hundred seventy-one".