1320311411105 has 8 divisors (see below), whose sum is σ = 1584593391912. Its totient is φ = 1056102663168.

The previous prime is 1320311411093. The next prime is 1320311411113. The reversal of 1320311411105 is 5011141130231.

It can be written as a sum of positive squares in 4 ways, for example, as 197150208256 + 1123161202849 = 444016^2 + 1059793^2 .

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 1320311411105 - 2³² = 1316016443809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18268544 + ... + 18340673.

It is an arithmetic number, because the mean of its divisors is an integer number (198074173989).

Almost surely, 2^{1320311411105} is an apocalyptic number.

It is an amenable number.

1320311411105 is a deficient number, since it is larger than the sum of its proper divisors (264281980807).

1320311411105 is an equidigital number, since it uses as much as digits as its factorization.

1320311411105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36616435.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1320311411105 its reverse (5011141130231), we get a palindrome (6331452541336).

The spelling of 1320311411105 in words is "one trillion, three hundred twenty billion, three hundred eleven million, four hundred eleven thousand, one hundred five".