116405089 has 2 divisors, whose sum is σ = 116405090. Its totient is φ = 116405088.

The previous prime is 116405083. The next prime is 116405131. The reversal of 116405089 is 980504611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81595089 + 34810000 = 9033^2 + 5900^2 .

It is a cyclic number.

It is not a de Polignac number, because 116405089 - 2⁵ = 116405057 is a prime.

It is not a weakly prime, because it can be changed into another prime (116405083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58202544 + 58202545.

It is an arithmetic number, because the mean of its divisors is an integer number (58202545).

Almost surely, 2^116405089 is an apocalyptic number.

It is an amenable number.

116405089 is a deficient number, since it is larger than the sum of its proper divisors (1).

116405089 is an equidigital number, since it uses as much as digits as its factorization.

116405089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 116405089 is about 10789.1190094465. The cubic root of 116405089 is about 488.2669430518.

The spelling of 116405089 in words is "one hundred sixteen million, four hundred five thousand, eighty-nine".