65605605000201 has 12 divisors (see below), whose sum is σ = 108301316190912. Its totient is φ = 37488917142936.

The previous prime is 65605605000193. The next prime is 65605605000217. The reversal of 65605605000201 is 10200050650656.

It is a happy number.

It is not a de Polignac number, because 65605605000201 - 2³ = 65605605000193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65605605000241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520679404701 + ... + 520679404826.

It is an arithmetic number, because the mean of its divisors is an integer number (9025109682576).

Almost surely, 2^{65605605000201} is an apocalyptic number.

It is an amenable number.

65605605000201 is a deficient number, since it is larger than the sum of its proper divisors (42695711190711).

65605605000201 is a wasteful number, since it uses less digits than its factorization.

65605605000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041358809540 (or 1041358809537 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 65605605000201 its reverse (10200050650656), we get a palindrome (75805655650857).

The spelling of 65605605000201 in words is "sixty-five trillion, six hundred five billion, six hundred five million, two hundred one", and thus it is an aban number.