11256771 has 8 divisors (see below), whose sum is σ = 15891984. Its totient is φ = 7063040.

The previous prime is 11256761. The next prime is 11256779. The reversal of 11256771 is 17765211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11256771 - 2⁷ = 11256643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11256779) 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 7 ways as a sum of consecutive naturals, for example, 110310 + ... + 110411.

It is an arithmetic number, because the mean of its divisors is an integer number (1986498).

Almost surely, 2^11256771 is an apocalyptic number.

11256771 is a deficient number, since it is larger than the sum of its proper divisors (4635213).

11256771 is a wasteful number, since it uses less digits than its factorization.

11256771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220741.

The product of its digits is 2940, while the sum is 30.

The square root of 11256771 is about 3355.1111755052. Note that the first 4 decimals coincide. The cubic root of 11256771 is about 224.1151817812.

The spelling of 11256771 in words is "eleven million, two hundred fifty-six thousand, seven hundred seventy-one".