65055100501665 has 36 divisors (see below), whose sum is σ = 119785423831164. Its totient is φ = 32655109264896.

The previous prime is 65055100501637. The next prime is 65055100501667. The reversal of 65055100501665 is 56610500155056.

65055100501665 is a `hidden beast` number, since 65 + 0 + 5 + 510 + 0 + 5 + 0 + 16 + 65 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 8346112993296 + 56708987508369 = 2888964^2 + 7530537^2 .

It is not a de Polignac number, because 65055100501665 - 2¹⁰ = 65055100500641 is a prime.

It is a super-2 number, since 2×65055100501665² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65055100501665.

It is not an unprimeable number, because it can be changed into a prime (65055100501667) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2501144262 + ... + 2501170271.

It is an arithmetic number, because the mean of its divisors is an integer number (3327372884199).

Almost surely, 2^{65055100501665} is an apocalyptic number.

It is an amenable number.

65055100501665 is a deficient number, since it is larger than the sum of its proper divisors (54730323329499).

65055100501665 is a wasteful number, since it uses less digits than its factorization.

65055100501665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002314578 (or 5002314558 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 65055100501665 in words is "sixty-five trillion, fifty-five billion, one hundred million, five hundred one thousand, six hundred sixty-five".