1115171316999 has 12 divisors (see below), whose sum is σ = 1610905187736. Its totient is φ = 743400387312.

The previous prime is 1115171316997. The next prime is 1115171317027. The reversal of 1115171316999 is 9996131715111.

It is a happy number.

1115171316999 is a `hidden beast` number, since 1 + 1 + 1 + 517 + 1 + 31 + 6 + 9 + 99 = 666.

It is not a de Polignac number, because 1115171316999 - 2¹ = 1115171316997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115171316997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3779709 + ... + 4064054.

It is an arithmetic number, because the mean of its divisors is an integer number (134242098978).

Almost surely, 2^{1115171316999} is an apocalyptic number.

1115171316999 is a deficient number, since it is larger than the sum of its proper divisors (495733870737).

1115171316999 is a wasteful number, since it uses less digits than its factorization.

1115171316999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859566 (or 7859563 counting only the distinct ones).

The product of its digits is 459270, while the sum is 54.

The spelling of 1115171316999 in words is "one trillion, one hundred fifteen billion, one hundred seventy-one million, three hundred sixteen thousand, nine hundred ninety-nine".