1311411610543 has 8 divisors (see below), whose sum is σ = 1323032022576. Its totient is φ = 1299815587200.

The previous prime is 1311411610541. The next prime is 1311411610549. The reversal of 1311411610543 is 3450161141131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311411610543 - 2¹ = 1311411610541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311411610541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5989146 + ... + 6204247.

It is an arithmetic number, because the mean of its divisors is an integer number (165379002822).

Almost surely, 2^{1311411610543} is an apocalyptic number.

1311411610543 is a deficient number, since it is larger than the sum of its proper divisors (11620412033).

1311411610543 is a wasteful number, since it uses less digits than its factorization.

1311411610543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194345.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 1311411610543 its reverse (3450161141131), we get a palindrome (4761572751674).

The spelling of 1311411610543 in words is "one trillion, three hundred eleven billion, four hundred eleven million, six hundred ten thousand, five hundred forty-three".