1131324820717 has 16 divisors (see below), whose sum is σ = 1392448650880. Its totient is φ = 895082726592.

The previous prime is 1131324820673. The next prime is 1131324820721. The reversal of 1131324820717 is 7170284231311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131324820717 - 2³¹ = 1129177337069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131324820717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131324820777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2585659 + ... + 2991367.

It is an arithmetic number, because the mean of its divisors is an integer number (87028040680).

Almost surely, 2^{1131324820717} is an apocalyptic number.

It is an amenable number.

1131324820717 is a deficient number, since it is larger than the sum of its proper divisors (261123830163).

1131324820717 is a wasteful number, since it uses less digits than its factorization.

1131324820717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436372.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 1131324820717 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-four million, eight hundred twenty thousand, seven hundred seventeen".