116217019 has 2 divisors, whose sum is σ = 116217020. Its totient is φ = 116217018.

The previous prime is 116217011. The next prime is 116217067. The reversal of 116217019 is 910712611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116217019 - 2³ = 116217011 is a prime.

It is a super-2 number, since 2×116217019² = 27012791010492722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116217011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58108509 + 58108510.

It is an arithmetic number, because the mean of its divisors is an integer number (58108510).

Almost surely, 2^116217019 is an apocalyptic number.

116217019 is a deficient number, since it is larger than the sum of its proper divisors (1).

116217019 is an equidigital number, since it uses as much as digits as its factorization.

116217019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 116217019 is about 10780.3997606768. The cubic root of 116217019 is about 488.0038449822.

It can be divided in two parts, 1162 and 17019, that added together give a palindrome (18181).

The spelling of 116217019 in words is "one hundred sixteen million, two hundred seventeen thousand, nineteen".