116611650005 has 4 divisors (see below), whose sum is σ = 139933980012. Its totient is φ = 93289320000.

The previous prime is 116611649993. The next prime is 116611650007. The reversal of 116611650005 is 500056116611.

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 47813507569 + 68798142436 = 218663^2 + 262294^2 .

It is not a de Polignac number, because 116611650005 - 2⁶ = 116611649941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116611650007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11661164996 + ... + 11661165005.

It is an arithmetic number, because the mean of its divisors is an integer number (34983495003).

Almost surely, 2^116611650005 is an apocalyptic number.

It is an amenable number.

116611650005 is a deficient number, since it is larger than the sum of its proper divisors (23322330007).

116611650005 is an equidigital number, since it uses as much as digits as its factorization.

116611650005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23322330006.

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 116611650005 its reverse (500056116611), we get a palindrome (616667766616).

It can be divided in two parts, 1166116 and 50005, that added together give a palindrome (1216121).

The spelling of 116611650005 in words is "one hundred sixteen billion, six hundred eleven million, six hundred fifty thousand, five".