116117819 has 2 divisors, whose sum is σ = 116117820. Its totient is φ = 116117818.

The previous prime is 116117761. The next prime is 116117821. The reversal of 116117819 is 918711611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116117819 - 2⁸ = 116117563 is a prime.

It is a super-2 number, since 2×116117819² = 26966695778633522, which contains 22 as substring.

Together with 116117821, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6632954 and since 116117819 and 6632954 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (116117839) 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, 58058909 + 58058910.

It is an arithmetic number, because the mean of its divisors is an integer number (58058910).

Almost surely, 2^116117819 is an apocalyptic number.

116117819 is a deficient number, since it is larger than the sum of its proper divisors (1).

116117819 is an equidigital number, since it uses as much as digits as its factorization.

116117819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 35.

The square root of 116117819 is about 10775.7978358913. The cubic root of 116117819 is about 487.8649560822.

The spelling of 116117819 in words is "one hundred sixteen million, one hundred seventeen thousand, eight hundred nineteen".