11243600056 has 128 divisors (see below), whose sum is σ = 24824217600. Its totient is φ = 4732732800.

The previous prime is 11243600033. The next prime is 11243600057. The reversal of 11243600056 is 65000634211.

It is a junction number, because it is equal to n+sod(n) for n = 11243599997 and 11243600033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243600057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58866921 + ... + 58867111.

It is an arithmetic number, because the mean of its divisors is an integer number (193939200).

Almost surely, 2^11243600056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243600056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12412108800).

11243600056 is an abundant number, since it is smaller than the sum of its proper divisors (13580617544).

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

11243600056 is a wasteful number, since it uses less digits than its factorization.

11243600056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 11243600056 in words is "eleven billion, two hundred forty-three million, six hundred thousand, fifty-six".