11275856 has 20 divisors (see below), whose sum is σ = 22260852. Its totient is φ = 5531136.

The previous prime is 11275853. The next prime is 11275871. The reversal of 11275856 is 65857211.

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 8317456 = 1720^2 + 2884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275853) 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, 5801 + ... + 7496.

Almost surely, 2^11275856 is an apocalyptic number.

11275856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11275856 is a deficient number, since it is larger than the sum of its proper divisors (10984996).

11275856 is a wasteful number, since it uses less digits than its factorization.

11275856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13358 (or 13352 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 11275856 is about 3357.9541390555. The cubic root of 11275856 is about 224.2417670241.

It can be divided in two parts, 11 and 275856, that multiplied together give a triangular number (3034416 = T₂₄₆₃).

The spelling of 11275856 in words is "eleven million, two hundred seventy-five thousand, eight hundred fifty-six".