10564320705 has 16 divisors (see below), whose sum is σ = 16948978944. Its totient is φ = 5618949120.

The previous prime is 10564320703. The next prime is 10564320713. The reversal of 10564320705 is 50702346501.

It is not a de Polignac number, because 10564320705 - 2¹ = 10564320703 is a prime.

It is a super-2 number, since 2×10564320705² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10564320703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954016 + ... + 965025.

It is an arithmetic number, because the mean of its divisors is an integer number (1059311184).

Almost surely, 2^10564320705 is an apocalyptic number.

10564320705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10564320705 is a deficient number, since it is larger than the sum of its proper divisors (6384658239).

10564320705 is a wasteful number, since it uses less digits than its factorization.

10564320705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919416.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 10564320705 in words is "ten billion, five hundred sixty-four million, three hundred twenty thousand, seven hundred five".