1311523863753 has 16 divisors (see below), whose sum is σ = 1789987921920. Its totient is φ = 853718661264.

The previous prime is 1311523863743. The next prime is 1311523863757. The reversal of 1311523863753 is 3573683251131.

It is not a de Polignac number, because 1311523863753 - 2¹⁴ = 1311523847369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311523863757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394301 + ... + 2137082.

It is an arithmetic number, because the mean of its divisors is an integer number (111874245120).

Almost surely, 2^{1311523863753} is an apocalyptic number.

It is an amenable number.

1311523863753 is a deficient number, since it is larger than the sum of its proper divisors (478464058167).

1311523863753 is a wasteful number, since it uses less digits than its factorization.

1311523863753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534308.

The product of its digits is 1360800, while the sum is 48.

The spelling of 1311523863753 in words is "one trillion, three hundred eleven billion, five hundred twenty-three million, eight hundred sixty-three thousand, seven hundred fifty-three".