11320320311 has 8 divisors (see below), whose sum is σ = 11629591440. Its totient is φ = 11011223808.

The previous prime is 11320320287. The next prime is 11320320337. The reversal of 11320320311 is 11302302311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11320320311 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 11320320311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320320371) 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, 93575 + ... + 177191.

It is an arithmetic number, because the mean of its divisors is an integer number (1453698930).

Almost surely, 2^11320320311 is an apocalyptic number.

11320320311 is a deficient number, since it is larger than the sum of its proper divisors (309271129).

11320320311 is an equidigital number, since it uses as much as digits as its factorization.

11320320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87313.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11320320311 its reverse (11302302311), we get a palindrome (22622622622).

The spelling of 11320320311 in words is "eleven billion, three hundred twenty million, three hundred twenty thousand, three hundred eleven".