16005505411 has 4 divisors (see below), whose sum is σ = 18292006192. Its totient is φ = 13719004632.

The previous prime is 16005505393. The next prime is 16005505519. The reversal of 16005505411 is 11450550061.

It is a happy number.

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 16005505411 - 2⁵ = 16005505379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16005505411.

It is not an unprimeable number, because it can be changed into a prime (16005500411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143250380 + ... + 1143250393.

It is an arithmetic number, because the mean of its divisors is an integer number (4573001548).

Almost surely, 2^16005505411 is an apocalyptic number.

16005505411 is a deficient number, since it is larger than the sum of its proper divisors (2286500781).

16005505411 is an equidigital number, since it uses as much as digits as its factorization.

16005505411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286500780.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 16005505411 in words is "sixteen billion, five million, five hundred five thousand, four hundred eleven".