10556000056 has 64 divisors (see below), whose sum is σ = 23293992960. Its totient is φ = 4390368000.

The previous prime is 10556000053. The next prime is 10556000057. The reversal of 10556000056 is 65000065501.

It is a super-2 number, since 2×10556000056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 10555999988 and 10556000033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556000051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426501 + ... + 450571.

It is an arithmetic number, because the mean of its divisors is an integer number (363968640).

Almost surely, 2^10556000056 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 10556000056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11646996480).

10556000056 is an abundant number, since it is smaller than the sum of its proper divisors (12737992904).

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

10556000056 is a wasteful number, since it uses less digits than its factorization.

10556000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24316 (or 24312 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 10556000056 its reverse (65000065501), we get a palindrome (75556065557).

The spelling of 10556000056 in words is "ten billion, five hundred fifty-six million, fifty-six", and thus it is an aban number.