11866095205 has 8 divisors (see below), whose sum is σ = 14281569432. Its totient is φ = 9464706048.

The previous prime is 11866095203. The next prime is 11866095239. The reversal of 11866095205 is 50259066811.

11866095205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 80604484 + 11785490721 = 8978^2 + 108561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11866095205 - 2¹ = 11866095203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11866095203) 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, 3519412 + ... + 3522781.

It is an arithmetic number, because the mean of its divisors is an integer number (1785196179).

Almost surely, 2^11866095205 is an apocalyptic number.

It is an amenable number.

11866095205 is a deficient number, since it is larger than the sum of its proper divisors (2415474227).

11866095205 is an equidigital number, since it uses as much as digits as its factorization.

11866095205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042535.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 11866095205 in words is "eleven billion, eight hundred sixty-six million, ninety-five thousand, two hundred five".