11256556 has 6 divisors (see below), whose sum is σ = 19698980. Its totient is φ = 5628276.

The previous prime is 11256541. The next prime is 11256563. The reversal of 11256556 is 65565211.

It is a super-2 number, since 2×11256556² = 253420105962272, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1407066 + ... + 1407073.

Almost surely, 2^11256556 is an apocalyptic number.

It is an amenable number.

11256556 is a deficient number, since it is larger than the sum of its proper divisors (8442424).

11256556 is a wasteful number, since it uses less digits than its factorization.

11256556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814143 (or 2814141 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 11256556 is about 3355.0791346852. The cubic root of 11256556 is about 224.1137549341.

The spelling of 11256556 in words is "eleven million, two hundred fifty-six thousand, five hundred fifty-six".