1311442113366 has 96 divisors (see below), whose sum is σ = 3542886038016. Its totient is φ = 340606512000.

The previous prime is 1311442113313. The next prime is 1311442113367. The reversal of 1311442113366 is 6633112441131.

1311442113366 is a `hidden beast` number, since 1 + 31 + 14 + 421 + 133 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1311442113366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311442113367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21134626 + ... + 21196586.

It is an arithmetic number, because the mean of its divisors is an integer number (36905062896).

Almost surely, 2^{1311442113366} is an apocalyptic number.

1311442113366 is an abundant number, since it is smaller than the sum of its proper divisors (2231443924650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311442113366 is a wasteful number, since it uses less digits than its factorization.

1311442113366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77258 (or 77255 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

Adding to 1311442113366 its reverse (6633112441131), we get a palindrome (7944554554497).

The spelling of 1311442113366 in words is "one trillion, three hundred eleven billion, four hundred forty-two million, one hundred thirteen thousand, three hundred sixty-six".