11256171 has 16 divisors (see below), whose sum is σ = 15504384. Its totient is φ = 7259904.

The previous prime is 11256163. The next prime is 11256173. The reversal of 11256171 is 17165211.

11256171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11256171 - 2³ = 11256163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11256173) 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 15 ways as a sum of consecutive naturals, for example, 13266 + ... + 14088.

It is an arithmetic number, because the mean of its divisors is an integer number (969024).

Almost surely, 2^11256171 is an apocalyptic number.

11256171 is a deficient number, since it is larger than the sum of its proper divisors (4248213).

11256171 is an equidigital number, since it uses as much as digits as its factorization.

11256171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970.

The product of its digits is 420, while the sum is 24.

The square root of 11256171 is about 3355.0217584987. The cubic root of 11256171 is about 224.1111998371. Note that the first 4 decimals are identical.

The spelling of 11256171 in words is "eleven million, two hundred fifty-six thousand, one hundred seventy-one".