116011997 has 2 divisors, whose sum is σ = 116011998. Its totient is φ = 116011996.

The previous prime is 116011991. The next prime is 116012021. The reversal of 116011997 is 799110611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72267001 + 43744996 = 8501^2 + 6614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116011997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116011991) 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, 58005998 + 58005999.

It is an arithmetic number, because the mean of its divisors is an integer number (58005999).

Almost surely, 2^116011997 is an apocalyptic number.

It is an amenable number.

116011997 is a deficient number, since it is larger than the sum of its proper divisors (1).

116011997 is an equidigital number, since it uses as much as digits as its factorization.

116011997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 35.

The square root of 116011997 is about 10770.8865466126. The cubic root of 116011997 is about 487.7167085612.

The spelling of 116011997 in words is "one hundred sixteen million, eleven thousand, nine hundred ninety-seven".