10566864059 has 4 divisors (see below), whose sum is σ = 10569610416. Its totient is φ = 10564117704.

The previous prime is 10566864017. The next prime is 10566864089. The reversal of 10566864059 is 95046866501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10566864059 is a prime.

It is a super-2 number, since 2×10566864059² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10566863998 and 10566864016.

It is not an unprimeable number, because it can be changed into a prime (10566864089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367399 + ... + 1375104.

It is an arithmetic number, because the mean of its divisors is an integer number (2642402604).

Almost surely, 2^10566864059 is an apocalyptic number.

10566864059 is a deficient number, since it is larger than the sum of its proper divisors (2746357).

10566864059 is an equidigital number, since it uses as much as digits as its factorization.

10566864059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746356.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 10566864059 in words is "ten billion, five hundred sixty-six million, eight hundred sixty-four thousand, fifty-nine".