116442289181 has 2 divisors, whose sum is σ = 116442289182. Its totient is φ = 116442289180.

The previous prime is 116442289147. The next prime is 116442289199. The reversal of 116442289181 is 181982244611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113131322500 + 3310966681 = 336350^2 + 57541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116442289181 is a prime.

It is a super-2 number, since 2×116442289181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116442289141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58221144590 + 58221144591.

It is an arithmetic number, because the mean of its divisors is an integer number (58221144591).

Almost surely, 2^116442289181 is an apocalyptic number.

It is an amenable number.

116442289181 is a deficient number, since it is larger than the sum of its proper divisors (1).

116442289181 is an equidigital number, since it uses as much as digits as its factorization.

116442289181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 47.

The spelling of 116442289181 in words is "one hundred sixteen billion, four hundred forty-two million, two hundred eighty-nine thousand, one hundred eighty-one".