16311441211 has 4 divisors (see below), whose sum is σ = 17566167472. Its totient is φ = 15056714952.

The previous prime is 16311441191. The next prime is 16311441217. The reversal of 16311441211 is 11214411361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11214411361 = 1543 ⋅7267927.

It is a cyclic number.

It is not a de Polignac number, because 16311441211 - 2¹¹ = 16311439163 is a prime.

It is a super-2 number, since 2×16311441211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16311441217) 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, 627363111 + ... + 627363136.

It is an arithmetic number, because the mean of its divisors is an integer number (4391541868).

Almost surely, 2^16311441211 is an apocalyptic number.

16311441211 is a deficient number, since it is larger than the sum of its proper divisors (1254726261).

16311441211 is a wasteful number, since it uses less digits than its factorization.

16311441211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254726260.

The product of its digits is 576, while the sum is 25.

Adding to 16311441211 its reverse (11214411361), we get a palindrome (27525852572).

The spelling of 16311441211 in words is "sixteen billion, three hundred eleven million, four hundred forty-one thousand, two hundred eleven".