16020320411 has 4 divisors (see below), whose sum is σ = 16162093272. Its totient is φ = 15878547552.

The previous prime is 16020320363. The next prime is 16020320417. The reversal of 16020320411 is 11402302061.

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 16020320411 - 2³⁰ = 14946578587 is a prime.

It is a super-2 number, since 2×16020320411² (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 (16020320417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70886261 + ... + 70886486.

It is an arithmetic number, because the mean of its divisors is an integer number (4040523318).

Almost surely, 2^16020320411 is an apocalyptic number.

16020320411 is a deficient number, since it is larger than the sum of its proper divisors (141772861).

16020320411 is a wasteful number, since it uses less digits than its factorization.

16020320411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141772860.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 16020320411 its reverse (11402302061), we get a palindrome (27422622472).

The spelling of 16020320411 in words is "sixteen billion, twenty million, three hundred twenty thousand, four hundred eleven".