1311054243344 has 20 divisors (see below), whose sum is σ = 2540245985280. Its totient is φ = 655506892320.

The previous prime is 1311054243313. The next prime is 1311054243391. The reversal of 1311054243344 is 4433424501131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722624 + ... + 1773215.

It is an arithmetic number, because the mean of its divisors is an integer number (127012299264).

Almost surely, 2^{1311054243344} is an apocalyptic number.

It is an amenable number.

1311054243344 is a deficient number, since it is larger than the sum of its proper divisors (1229191741936).

1311054243344 is a wasteful number, since it uses less digits than its factorization.

1311054243344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528678 (or 2528672 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 1311054243344 its reverse (4433424501131), we get a palindrome (5744478744475).

The spelling of 1311054243344 in words is "one trillion, three hundred eleven billion, fifty-four million, two hundred forty-three thousand, three hundred forty-four".