1311082531075 has 24 divisors (see below), whose sum is σ = 1651929426000. Its totient is φ = 1032104693760.

The previous prime is 1311082530997. The next prime is 1311082531097. The reversal of 1311082531075 is 5701352801131.

It is a de Polignac number, because none of the positive numbers 2^k-1311082531075 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1276750 + ... + 2062099.

It is an arithmetic number, because the mean of its divisors is an integer number (68830392750).

Almost surely, 2^{1311082531075} is an apocalyptic number.

1311082531075 is a deficient number, since it is larger than the sum of its proper divisors (340846894925).

1311082531075 is a wasteful number, since it uses less digits than its factorization.

1311082531075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339111 (or 3339106 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 1311082531075 in words is "one trillion, three hundred eleven billion, eighty-two million, five hundred thirty-one thousand, seventy-five".