11543056 has 40 divisors (see below), whose sum is σ = 26676864. Its totient is φ = 4730880.

The previous prime is 11543047. The next prime is 11543057. The reversal of 11543056 is 65034511.

It is a self number, because there is not a number n which added to its sum of digits gives 11543056.

It is not an unprimeable number, because it can be changed into a prime (11543057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 4816.

Almost surely, 2^11543056 is an apocalyptic number.

11543056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11543056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13338432).

11543056 is an abundant number, since it is smaller than the sum of its proper divisors (15133808).

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

11543056 is a wasteful number, since it uses less digits than its factorization.

11543056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519 (or 4513 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 11543056 is about 3397.5073215521. The cubic root of 11543056 is about 225.9992168506. Note that the first 3 decimals are identical.

Adding to 11543056 its reverse (65034511), we get a palindrome (76577567).

The spelling of 11543056 in words is "eleven million, five hundred forty-three thousand, fifty-six".