11808036065 has 8 divisors (see below), whose sum is σ = 16193878080. Its totient is φ = 8096938992.

The previous prime is 11808036061. The next prime is 11808036091. The reversal of 11808036065 is 56063080811.

It is a happy number.

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 11808036065 - 2² = 11808036061 is a prime.

It is a super-3 number, since 3×11808036065³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11808036061) 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, 168686195 + ... + 168686264.

It is an arithmetic number, because the mean of its divisors is an integer number (2024234760).

Almost surely, 2^11808036065 is an apocalyptic number.

It is an amenable number.

11808036065 is a deficient number, since it is larger than the sum of its proper divisors (4385842015).

11808036065 is an equidigital number, since it uses as much as digits as its factorization.

11808036065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337372471.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 11808036065 in words is "eleven billion, eight hundred eight million, thirty-six thousand, sixty-five".