1116501572209 has 2 divisors, whose sum is σ = 1116501572210. Its totient is φ = 1116501572208.

The previous prime is 1116501572203. The next prime is 1116501572227. The reversal of 1116501572209 is 9022751056111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1068122250000 + 48379322209 = 1033500^2 + 219953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116501572209 - 2³ = 1116501572201 is a prime.

It is a super-2 number, since 2×1116501572209² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1116501572201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558250786104 + 558250786105.

It is an arithmetic number, because the mean of its divisors is an integer number (558250786105).

Almost surely, 2^{1116501572209} is an apocalyptic number.

It is an amenable number.

1116501572209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116501572209 is an equidigital number, since it uses as much as digits as its factorization.

1116501572209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 1116501572209 in words is "one trillion, one hundred sixteen billion, five hundred one million, five hundred seventy-two thousand, two hundred nine".