65505010015001 has 16 divisors (see below), whose sum is σ = 65746733930496. Its totient is φ = 65263793300496.

The previous prime is 65505010014971. The next prime is 65505010015051. The reversal of 65505010015001 is 10051001050556.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65505010015001 - 2¹⁰ = 65505010013977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65505010015051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985493570 + ... + 985560036.

It is an arithmetic number, because the mean of its divisors is an integer number (4109170870656).

Almost surely, 2^{65505010015001} is an apocalyptic number.

It is an amenable number.

65505010015001 is a deficient number, since it is larger than the sum of its proper divisors (241723915495).

65505010015001 is a wasteful number, since it uses less digits than its factorization.

65505010015001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70228.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 65505010015001 its reverse (10051001050556), we get a palindrome (75556011065557).

The spelling of 65505010015001 in words is "sixty-five trillion, five hundred five billion, ten million, fifteen thousand, one".