13660211011 has 4 divisors (see below), whose sum is σ = 14131252800. Its totient is φ = 13189169224.

The previous prime is 13660210981. The next prime is 13660211027. The reversal of 13660211011 is 11011206631.

13660211011 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 13660211011 - 2¹¹ = 13660208963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13660211611) 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, 235520851 + ... + 235520908.

It is an arithmetic number, because the mean of its divisors is an integer number (3532813200).

Almost surely, 2^13660211011 is an apocalyptic number.

13660211011 is a deficient number, since it is larger than the sum of its proper divisors (471041789).

13660211011 is an equidigital number, since it uses as much as digits as its factorization.

13660211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471041788.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13660211011 its reverse (11011206631), we get a palindrome (24671417642).

The spelling of 13660211011 in words is "thirteen billion, six hundred sixty million, two hundred eleven thousand, eleven".