116305565 has 4 divisors (see below), whose sum is σ = 139566684. Its totient is φ = 93044448.

The previous prime is 116305559. The next prime is 116305591. The reversal of 116305565 is 565503611.

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 80748196 + 35557369 = 8986^2 + 5963^2 .

It is a cyclic number.

It is not a de Polignac number, because 116305565 - 2¹² = 116301469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11630552 + ... + 11630561.

It is an arithmetic number, because the mean of its divisors is an integer number (34891671).

Almost surely, 2^116305565 is an apocalyptic number.

It is an amenable number.

116305565 is a deficient number, since it is larger than the sum of its proper divisors (23261119).

116305565 is an equidigital number, since it uses as much as digits as its factorization.

116305565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23261118.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 116305565 is about 10784.5057837622. The cubic root of 116305565 is about 488.1277505839.

The spelling of 116305565 in words is "one hundred sixteen million, three hundred five thousand, five hundred sixty-five".