1117740608209 has 2 divisors, whose sum is σ = 1117740608210. Its totient is φ = 1117740608208.

The previous prime is 1117740608099. The next prime is 1117740608233. The reversal of 1117740608209 is 9028060477111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032215360400 + 85525247809 = 1015980^2 + 292447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117740608209 - 2³¹ = 1115593124561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117740608239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558870304104 + 558870304105.

It is an arithmetic number, because the mean of its divisors is an integer number (558870304105).

Almost surely, 2^{1117740608209} is an apocalyptic number.

It is an amenable number.

1117740608209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117740608209 is an equidigital number, since it uses as much as digits as its factorization.

1117740608209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 1117740608209 in words is "one trillion, one hundred seventeen billion, seven hundred forty million, six hundred eight thousand, two hundred nine".