1116817653109 has 2 divisors, whose sum is σ = 1116817653110. Its totient is φ = 1116817653108.

The previous prime is 1116817653103. The next prime is 1116817653113. The reversal of 1116817653109 is 9013567186111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115763352209 + 1054300900 = 1056297^2 + 32470^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116817653109 - 2¹⁹ = 1116817128821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116817653103) 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 as a sum of consecutive naturals, namely, 558408826554 + 558408826555.

It is an arithmetic number, because the mean of its divisors is an integer number (558408826555).

Almost surely, 2^{1116817653109} is an apocalyptic number.

It is an amenable number.

1116817653109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116817653109 is an equidigital number, since it uses as much as digits as its factorization.

1116817653109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 1116817653109 in words is "one trillion, one hundred sixteen billion, eight hundred seventeen million, six hundred fifty-three thousand, one hundred nine".