10561561066056 has 128 divisors (see below), whose sum is σ = 35451393868800. Its totient is φ = 2532242407680.

The previous prime is 10561561066033. The next prime is 10561561066103. The reversal of 10561561066056 is 65066016516501.

It is a super-2 number, since 2×10561561066056² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10561561065996 and 10561561066014.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 219788686 + ... + 219836733.

It is an arithmetic number, because the mean of its divisors is an integer number (276964014600).

Almost surely, 2^{10561561066056} is an apocalyptic number.

It is an amenable number.

10561561066056 is an abundant number, since it is smaller than the sum of its proper divisors (24889832802744).

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

10561561066056 is a wasteful number, since it uses less digits than its factorization.

10561561066056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439625459 (or 439625455 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

It can be divided in two parts, 1056156 and 1066056, that added together give a palindrome (2122212).

The spelling of 10561561066056 in words is "ten trillion, five hundred sixty-one billion, five hundred sixty-one million, sixty-six thousand, fifty-six".