118084565 has 4 divisors (see below), whose sum is σ = 141701484. Its totient is φ = 94467648.

The previous prime is 118084559. The next prime is 118084591. The reversal of 118084565 is 565480811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565480811 = 7 ⋅80782973.

It can be written as a sum of positive squares in 2 ways, for example, as 69322276 + 48762289 = 8326^2 + 6983^2 .

It is a cyclic number.

It is not a de Polignac number, because 118084565 - 2¹⁶ = 118019029 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, 11808452 + ... + 11808461.

It is an arithmetic number, because the mean of its divisors is an integer number (35425371).

Almost surely, 2^118084565 is an apocalyptic number.

It is an amenable number.

118084565 is a deficient number, since it is larger than the sum of its proper divisors (23616919).

118084565 is an equidigital number, since it uses as much as digits as its factorization.

118084565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23616918.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 118084565 is about 10866.6722137000. The cubic root of 118084565 is about 490.6039547141.

The spelling of 118084565 in words is "one hundred eighteen million, eighty-four thousand, five hundred sixty-five".