11680311 has 8 divisors (see below), whose sum is σ = 15806464. Its totient is φ = 7670520.

The previous prime is 11680267. The next prime is 11680313. The reversal of 11680311 is 11308611.

11680311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11680311 - 2⁶ = 11680247 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 (11680313) 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 7 ways as a sum of consecutive naturals, for example, 28855 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (1975808).

Almost surely, 2^11680311 is an apocalyptic number.

11680311 is a deficient number, since it is larger than the sum of its proper divisors (4126153).

11680311 is an equidigital number, since it uses as much as digits as its factorization.

11680311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58181.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11680311 is about 3417.6469975701. The cubic root of 11680311 is about 226.8914525631.

Adding to 11680311 its reverse (11308611), we get a palindrome (22988922).

The spelling of 11680311 in words is "eleven million, six hundred eighty thousand, three hundred eleven".