1311046064143 has 4 divisors (see below), whose sum is σ = 1311083083600. Its totient is φ = 1311009044688.

The previous prime is 1311046064137. The next prime is 1311046064173. The reversal of 1311046064143 is 3414606401131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311046064143 - 2⁹ = 1311046063631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311046064099 and 1311046064108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311046064173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18456555 + ... + 18527452.

It is an arithmetic number, because the mean of its divisors is an integer number (327770770900).

Almost surely, 2^{1311046064143} is an apocalyptic number.

1311046064143 is a deficient number, since it is larger than the sum of its proper divisors (37019457).

1311046064143 is an equidigital number, since it uses as much as digits as its factorization.

1311046064143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37019456.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 1311046064143 in words is "one trillion, three hundred eleven billion, forty-six million, sixty-four thousand, one hundred forty-three".