116881117 has 2 divisors, whose sum is σ = 116881118. Its totient is φ = 116881116.

The previous prime is 116881099. The next prime is 116881189. The reversal of 116881117 is 711188611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113443801 + 3437316 = 10651^2 + 1854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116881117 is a prime.

It is a super-2 number, since 2×116881117² = 27322391022335378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116881417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58440558 + 58440559.

It is an arithmetic number, because the mean of its divisors is an integer number (58440559).

Almost surely, 2^116881117 is an apocalyptic number.

It is an amenable number.

116881117 is a deficient number, since it is larger than the sum of its proper divisors (1).

116881117 is an equidigital number, since it uses as much as digits as its factorization.

116881117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 34.

The square root of 116881117 is about 10811.1570611105. The cubic root of 116881117 is about 488.9316122233.

The spelling of 116881117 in words is "one hundred sixteen million, eight hundred eighty-one thousand, one hundred seventeen".