10565506556 has 72 divisors (see below), whose sum is σ = 20627087040. Its totient is φ = 4731217920.

The previous prime is 10565506541. The next prime is 10565506559. The reversal of 10565506556 is 65560556501.

It is a super-2 number, since 2×10565506556² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10565506559) 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 23 ways as a sum of consecutive naturals, for example, 14694365 + ... + 14695083.

It is an arithmetic number, because the mean of its divisors is an integer number (286487320).

Almost surely, 2^10565506556 is an apocalyptic number.

It is an amenable number.

10565506556 is a deficient number, since it is larger than the sum of its proper divisors (10061580484).

10565506556 is a wasteful number, since it uses less digits than its factorization.

10565506556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

Multiplying 10565506556 by its sum of digits (44), we get a palindrome (464882288464).

The spelling of 10565506556 in words is "ten billion, five hundred sixty-five million, five hundred six thousand, five hundred fifty-six".