65501110011 has 8 divisors (see below), whose sum is σ = 87748723264. Its totient is φ = 43460451720.

The previous prime is 65501109991. The next prime is 65501110019. The reversal of 65501110011 is 11001110556.

It is a happy number.

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

It is not a de Polignac number, because 65501110011 - 2¹³ = 65501101819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65501110011.

It is not an unprimeable number, because it can be changed into a prime (65501110019) 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, 51738001 + ... + 51739266.

It is an arithmetic number, because the mean of its divisors is an integer number (10968590408).

Almost surely, 2^65501110011 is an apocalyptic number.

65501110011 is a deficient number, since it is larger than the sum of its proper divisors (22247613253).

65501110011 is a wasteful number, since it uses less digits than its factorization.

65501110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103477481.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 65501110011 its reverse (11001110556), we get a palindrome (76502220567).

The spelling of 65501110011 in words is "sixty-five billion, five hundred one million, one hundred ten thousand, eleven".