11256775 has 12 divisors (see below), whose sum is σ = 14566032. Its totient is φ = 8613440.

The previous prime is 11256761. The next prime is 11256779. The reversal of 11256775 is 57765211.

11256775 = 196² + 197² + ... + 345².

It is a happy number.

It is not a de Polignac number, because 11256775 - 2⁷ = 11256647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11256775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9214 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (1213836).

Almost surely, 2^11256775 is an apocalyptic number.

11256775 is a deficient number, since it is larger than the sum of its proper divisors (3309257).

11256775 is a wasteful number, since it uses less digits than its factorization.

11256775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19610 (or 19605 counting only the distinct ones).

The product of its digits is 14700, while the sum is 34.

The square root of 11256775 is about 3355.1117716106. Note that the first 3 decimals coincide. The cubic root of 11256775 is about 224.1152083270.

The spelling of 11256775 in words is "eleven million, two hundred fifty-six thousand, seven hundred seventy-five".