80320111 has 8 divisors (see below), whose sum is σ = 83220480. Its totient is φ = 77428512.

The previous prime is 80320067. The next prime is 80320127. The reversal of 80320111 is 11102308.

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 80320111 - 2⁷ = 80319983 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 (80320151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20626 + ... + 24208.

It is an arithmetic number, because the mean of its divisors is an integer number (10402560).

Almost surely, 2^80320111 is an apocalyptic number.

80320111 is a deficient number, since it is larger than the sum of its proper divisors (2900369).

80320111 is a wasteful number, since it uses less digits than its factorization.

80320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 80320111 is about 8962.1487936767. The cubic root of 80320111 is about 431.4608883557.

Adding to 80320111 its reverse (11102308), we get a palindrome (91422419).

The spelling of 80320111 in words is "eighty million, three hundred twenty thousand, one hundred eleven".