116548909 has 2 divisors, whose sum is σ = 116548910. Its totient is φ = 116548908.

The previous prime is 116548891. The next prime is 116548919. The reversal of 116548909 is 909845611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113486409 + 3062500 = 10653^2 + 1750^2 .

It is a cyclic number.

It is not a de Polignac number, because 116548909 - 2⁷ = 116548781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116548919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58274454 + 58274455.

It is an arithmetic number, because the mean of its divisors is an integer number (58274455).

Almost surely, 2^116548909 is an apocalyptic number.

It is an amenable number.

116548909 is a deficient number, since it is larger than the sum of its proper divisors (1).

116548909 is an equidigital number, since it uses as much as digits as its factorization.

116548909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 116548909 is about 10795.7820003926. The cubic root of 116548909 is about 488.4679470111.

The spelling of 116548909 in words is "one hundred sixteen million, five hundred forty-eight thousand, nine hundred nine".