1116005126573 has 4 divisors (see below), whose sum is σ = 1116023544828. Its totient is φ = 1115986708320.

The previous prime is 1116005126539. The next prime is 1116005126597. The reversal of 1116005126573 is 3756215006111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 392574927364 + 723430199209 = 626558^2 + 850547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116005126573 - 2²⁰ = 1116004077997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116005128573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9117938 + ... + 9239523.

It is an arithmetic number, because the mean of its divisors is an integer number (279005886207).

Almost surely, 2^{1116005126573} is an apocalyptic number.

It is an amenable number.

1116005126573 is a deficient number, since it is larger than the sum of its proper divisors (18418255).

1116005126573 is an equidigital number, since it uses as much as digits as its factorization.

1116005126573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18418254.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 1116005126573 in words is "one trillion, one hundred sixteen billion, five million, one hundred twenty-six thousand, five hundred seventy-three".