65805113 has 16 divisors (see below), whose sum is σ = 80015040. Its totient is φ = 53337600.

The previous prime is 65805109. The next prime is 65805133. The reversal of 65805113 is 31150856.

It is a cyclic number.

It is not a de Polignac number, because 65805113 - 2² = 65805109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65805133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5708 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (5000940).

Almost surely, 2^65805113 is an apocalyptic number.

It is an amenable number.

65805113 is a deficient number, since it is larger than the sum of its proper divisors (14209927).

65805113 is a wasteful number, since it uses less digits than its factorization.

65805113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 65805113 is about 8112.0350714232. The cubic root of 65805113 is about 403.7258396275.

Adding to 65805113 its reverse (31150856), we get a palindrome (96955969).

The spelling of 65805113 in words is "sixty-five million, eight hundred five thousand, one hundred thirteen".