1311101160523 has 8 divisors (see below), whose sum is σ = 1634619628800. Its totient is φ = 1021637267880.

The previous prime is 1311101160497. The next prime is 1311101160529. The reversal of 1311101160523 is 3250611011131.

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 1311101160523 - 2⁵ = 1311101160491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311101160529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8513643823 + ... + 8513643976.

It is an arithmetic number, because the mean of its divisors is an integer number (204327453600).

Almost surely, 2^{1311101160523} is an apocalyptic number.

1311101160523 is a deficient number, since it is larger than the sum of its proper divisors (323518468277).

1311101160523 is a wasteful number, since it uses less digits than its factorization.

1311101160523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17027287817.

The product of its (nonzero) digits is 540, while the sum is 25.

Adding to 1311101160523 its reverse (3250611011131), we get a palindrome (4561712171654).

The spelling of 1311101160523 in words is "one trillion, three hundred eleven billion, one hundred one million, one hundred sixty thousand, five hundred twenty-three".