1171323553108 has 12 divisors (see below), whose sum is σ = 2049847910740. Its totient is φ = 585652721472.

The previous prime is 1171323553079. The next prime is 1171323553163. The reversal of 1171323553108 is 8013553231711.

It can be written as a sum of positive squares in 2 ways, for example, as 970406248464 + 200917304644 = 985092^2 + 448238^2 .

It is a congruent number.

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, 1968441 + ... + 2493472.

Almost surely, 2^{1171323553108} is an apocalyptic number.

It is an amenable number.

1171323553108 is a deficient number, since it is larger than the sum of its proper divisors (878524357632).

1171323553108 is a wasteful number, since it uses less digits than its factorization.

1171323553108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527546 (or 4527544 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

Adding to 1171323553108 its reverse (8013553231711), we get a palindrome (9184876784819).

The spelling of 1171323553108 in words is "one trillion, one hundred seventy-one billion, three hundred twenty-three million, five hundred fifty-three thousand, one hundred eight".