1326303871611 has 8 divisors (see below), whose sum is σ = 1768442571600. Its totient is φ = 884183876352.

The previous prime is 1326303871609. The next prime is 1326303871643. The reversal of 1326303871611 is 1161783036231.

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

It is not a de Polignac number, because 1326303871611 - 2¹ = 1326303871609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1326303878611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4509886 + ... + 4794963.

It is an arithmetic number, because the mean of its divisors is an integer number (221055321450).

Almost surely, 2^{1326303871611} is an apocalyptic number.

1326303871611 is a deficient number, since it is larger than the sum of its proper divisors (442138699989).

1326303871611 is an equidigital number, since it uses as much as digits as its factorization.

1326303871611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352365.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 1326303871611 in words is "one trillion, three hundred twenty-six billion, three hundred three million, eight hundred seventy-one thousand, six hundred eleven".