10556105656 has 8 divisors (see below), whose sum is σ = 19792698120. Its totient is φ = 5278052824.

The previous prime is 10556105641. The next prime is 10556105657. The reversal of 10556105656 is 65650165501.

10556105656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10556105656² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556105657) 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 as a sum of consecutive naturals, namely, 659756596 + ... + 659756611.

It is an arithmetic number, because the mean of its divisors is an integer number (2474087265).

Almost surely, 2^10556105656 is an apocalyptic number.

It is an amenable number.

10556105656 is a deficient number, since it is larger than the sum of its proper divisors (9236592464).

10556105656 is a wasteful number, since it uses less digits than its factorization.

10556105656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319513213 (or 1319513209 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 10556105656 in words is "ten billion, five hundred fifty-six million, one hundred five thousand, six hundred fifty-six".