1117718534189 has 2 divisors, whose sum is σ = 1117718534190. Its totient is φ = 1117718534188.

The previous prime is 1117718534143. The next prime is 1117718534201. The reversal of 1117718534189 is 9814358177111.

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., 1113535678564 + 4182855625 = 1055242^2 + 64675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117718534189 - 2²⁴ = 1117701756973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117718534389) 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, 558859267094 + 558859267095.

It is an arithmetic number, because the mean of its divisors is an integer number (558859267095).

Almost surely, 2^{1117718534189} is an apocalyptic number.

It is an amenable number.

1117718534189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117718534189 is an equidigital number, since it uses as much as digits as its factorization.

1117718534189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 56.

The spelling of 1117718534189 in words is "one trillion, one hundred seventeen billion, seven hundred eighteen million, five hundred thirty-four thousand, one hundred eighty-nine".