10565198956 has 24 divisors (see below), whose sum is σ = 19921028400. Its totient is φ = 4873872192.

The previous prime is 10565198953. The next prime is 10565198999. The reversal of 10565198956 is 65989156501.

10565198956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10565198956² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10565198897 and 10565198906.

It is not an unprimeable number, because it can be changed into a prime (10565198953) 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 7 ways as a sum of consecutive naturals, for example, 60750 + ... + 157546.

It is an arithmetic number, because the mean of its divisors is an integer number (830042850).

Almost surely, 2^10565198956 is an apocalyptic number.

It is an amenable number.

10565198956 is a deficient number, since it is larger than the sum of its proper divisors (9355829444).

10565198956 is a wasteful number, since it uses less digits than its factorization.

10565198956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98913 (or 98911 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 55.

The spelling of 10565198956 in words is "ten billion, five hundred sixty-five million, one hundred ninety-eight thousand, nine hundred fifty-six".