65015660011 has 4 divisors (see below), whose sum is σ = 65030823000. Its totient is φ = 65000497024.

The previous prime is 65015660009. The next prime is 65015660041. The reversal of 65015660011 is 11006651056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65015660011 - 2¹ = 65015660009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65015660041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7575061 + ... + 7583638.

It is an arithmetic number, because the mean of its divisors is an integer number (16257705750).

Almost surely, 2^65015660011 is an apocalyptic number.

65015660011 is a deficient number, since it is larger than the sum of its proper divisors (15162989).

65015660011 is a wasteful number, since it uses less digits than its factorization.

65015660011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15162988.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 65015660011 in words is "sixty-five billion, fifteen million, six hundred sixty thousand, eleven".