11256271 has 4 divisors (see below), whose sum is σ = 12122152. Its totient is φ = 10390392.

The previous prime is 11256253. The next prime is 11256281. The reversal of 11256271 is 17265211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11256271 - 2¹¹ = 11254223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256221) 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, 432921 + ... + 432946.

It is an arithmetic number, because the mean of its divisors is an integer number (3030538).

Almost surely, 2^11256271 is an apocalyptic number.

11256271 is a deficient number, since it is larger than the sum of its proper divisors (865881).

11256271 is an equidigital number, since it uses as much as digits as its factorization.

11256271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865880.

The product of its digits is 840, while the sum is 25.

The square root of 11256271 is about 3355.0366614986. The cubic root of 11256271 is about 224.1118635042. Note that the first 3 decimals are identical.

It can be divided in two parts, 1125 and 6271, that added together give a square (7396 = 86²).

The spelling of 11256271 in words is "eleven million, two hundred fifty-six thousand, two hundred seventy-one".