10971810859 has 4 divisors (see below), whose sum is σ = 10972182816. Its totient is φ = 10971438904.

The previous prime is 10971810853. The next prime is 10971810893. The reversal of 10971810859 is 95801817901.

It is a happy number.

10971810859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10971810859 - 2⁵ = 10971810827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10971810853) 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 3 ways as a sum of consecutive naturals, for example, 137524 + ... + 202129.

It is an arithmetic number, because the mean of its divisors is an integer number (2743045704).

Almost surely, 2^10971810859 is an apocalyptic number.

10971810859 is a deficient number, since it is larger than the sum of its proper divisors (371957).

10971810859 is an equidigital number, since it uses as much as digits as its factorization.

10971810859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371956.

The product of its (nonzero) digits is 181440, while the sum is 49.

The spelling of 10971810859 in words is "ten billion, nine hundred seventy-one million, eight hundred ten thousand, eight hundred fifty-nine".