1311446323441 has 16 divisors (see below), whose sum is σ = 1433693564928. Its totient is φ = 1195842661200.

The previous prime is 1311446323393. The next prime is 1311446323457. The reversal of 1311446323441 is 1443236441131.

It is a cyclic number.

It is not a de Polignac number, because 1311446323441 - 2²⁷ = 1311312105713 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 1311446323441.

It is not an unprimeable number, because it can be changed into a prime (1311446333441) 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, 13678615 + ... + 13774156.

It is an arithmetic number, because the mean of its divisors is an integer number (89605847808).

Almost surely, 2^{1311446323441} is an apocalyptic number.

It is an amenable number.

1311446323441 is a deficient number, since it is larger than the sum of its proper divisors (122247241487).

1311446323441 is a wasteful number, since it uses less digits than its factorization.

1311446323441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27452892.

The product of its digits is 82944, while the sum is 37.

The spelling of 1311446323441 in words is "one trillion, three hundred eleven billion, four hundred forty-six million, three hundred twenty-three thousand, four hundred forty-one".