11683306865 has 8 divisors (see below), whose sum is σ = 14844672360. Its totient is φ = 8796842752.

The previous prime is 11683306861. The next prime is 11683306871. The reversal of 11683306865 is 56860338611.

It can be written as a sum of positive squares in 4 ways, for example, as 2014124641 + 9669182224 = 44879^2 + 98332^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11683306865 - 2² = 11683306861 is a prime.

It is a super-2 number, since 2×11683306865² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11683306861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68725250 + ... + 68725419.

It is an arithmetic number, because the mean of its divisors is an integer number (1855584045).

Almost surely, 2^11683306865 is an apocalyptic number.

It is an amenable number.

11683306865 is a deficient number, since it is larger than the sum of its proper divisors (3161365495).

11683306865 is a wasteful number, since it uses less digits than its factorization.

11683306865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137450691.

The product of its (nonzero) digits is 622080, while the sum is 47.

It can be divided in two parts, 1168 and 3306865, that added together give a palindrome (3308033).

The spelling of 11683306865 in words is "eleven billion, six hundred eighty-three million, three hundred six thousand, eight hundred sixty-five".