11125040056 has 64 divisors (see below), whose sum is σ = 23753318400. Its totient is φ = 4842384768.

The previous prime is 11125040051. The next prime is 11125040093. The reversal of 11125040056 is 65004052111.

It is a happy number.

11125040056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11125040056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125040051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428025 + ... + 453271.

It is an arithmetic number, because the mean of its divisors is an integer number (371145600).

Almost surely, 2^11125040056 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 11125040056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11876659200).

11125040056 is an abundant number, since it is smaller than the sum of its proper divisors (12628278344).

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

11125040056 is a wasteful number, since it uses less digits than its factorization.

11125040056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25508 (or 25504 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11125040056 its reverse (65004052111), we get a palindrome (76129092167).

The spelling of 11125040056 in words is "eleven billion, one hundred twenty-five million, forty thousand, fifty-six".