116490505 has 4 divisors (see below), whose sum is σ = 139788612. Its totient is φ = 93192400.

The previous prime is 116490503. The next prime is 116490509. The reversal of 116490505 is 505094611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38539264 + 77951241 = 6208^2 + 8829^2 .

It is not a de Polignac number, because 116490505 - 2¹ = 116490503 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116490503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11649046 + ... + 11649055.

It is an arithmetic number, because the mean of its divisors is an integer number (34947153).

Almost surely, 2^116490505 is an apocalyptic number.

It is an amenable number.

116490505 is a deficient number, since it is larger than the sum of its proper divisors (23298107).

116490505 is an equidigital number, since it uses as much as digits as its factorization.

116490505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23298106.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 116490505 is about 10793.0767161176. The cubic root of 116490505 is about 488.3863410745.

The spelling of 116490505 in words is "one hundred sixteen million, four hundred ninety thousand, five hundred five".