11456556 has 12 divisors (see below), whose sum is σ = 26731992. Its totient is φ = 3818848.

The previous prime is 11456551. The next prime is 11456581. The reversal of 11456556 is 65565411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11456556² = 262505350762272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11456551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477345 + ... + 477368.

It is an arithmetic number, because the mean of its divisors is an integer number (2227666).

Almost surely, 2^11456556 is an apocalyptic number.

It is an amenable number.

11456556 is an abundant number, since it is smaller than the sum of its proper divisors (15275436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11456556 is a wasteful number, since it uses less digits than its factorization.

11456556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954720 (or 954718 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 11456556 is about 3384.7534622185. The cubic root of 11456556 is about 225.4332786873.

The spelling of 11456556 in words is "eleven million, four hundred fifty-six thousand, five hundred fifty-six".