65000011551665 has 8 divisors (see below), whose sum is σ = 78027960856128. Its totient is φ = 51981377911920.

The previous prime is 65000011551649. The next prime is 65000011551751. The reversal of 65000011551665 is 56615511000056.

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

It is not a de Polignac number, because 65000011551665 - 2⁴ = 65000011551649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328900827 + ... + 2328928736.

It is an arithmetic number, because the mean of its divisors is an integer number (9753495107016).

Almost surely, 2^{65000011551665} is an apocalyptic number.

It is an amenable number.

65000011551665 is a deficient number, since it is larger than the sum of its proper divisors (13027949304463).

65000011551665 is a wasteful number, since it uses less digits than its factorization.

65000011551665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657832359.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 65000011551665 in words is "sixty-five trillion, eleven million, five hundred fifty-one thousand, six hundred sixty-five".