1311326553335 has 16 divisors (see below), whose sum is σ = 1577739239712. Its totient is φ = 1046296944000.

The previous prime is 1311326553331. The next prime is 1311326553337. The reversal of 1311326553335 is 5333556231131.

It is not a de Polignac number, because 1311326553335 - 2² = 1311326553331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311326553292 and 1311326553301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311326553331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19520705 + ... + 19587765.

It is an arithmetic number, because the mean of its divisors is an integer number (98608702482).

Almost surely, 2^{1311326553335} is an apocalyptic number.

1311326553335 is a deficient number, since it is larger than the sum of its proper divisors (266412686377).

1311326553335 is an equidigital number, since it uses as much as digits as its factorization.

1311326553335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77314.

The product of its digits is 364500, while the sum is 41.

The spelling of 1311326553335 in words is "one trillion, three hundred eleven billion, three hundred twenty-six million, five hundred fifty-three thousand, three hundred thirty-five".