2117010520065 has 32 divisors (see below), whose sum is σ = 4039413866496. Its totient is φ = 925699008960.

The previous prime is 2117010519997. The next prime is 2117010520123. The reversal of 2117010520065 is 5600250107112.

It is not a de Polignac number, because 2117010520065 - 2¹¹ = 2117010518017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438302041 + ... + 438306870.

It is an arithmetic number, because the mean of its divisors is an integer number (126231683328).

Almost surely, 2^{2117010520065} is an apocalyptic number.

It is an amenable number.

2117010520065 is a deficient number, since it is larger than the sum of its proper divisors (1922403346431).

2117010520065 is a wasteful number, since it uses less digits than its factorization.

2117010520065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876608949.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 2117010520065 its reverse (5600250107112), we get a palindrome (7717260627177).

The spelling of 2117010520065 in words is "two trillion, one hundred seventeen billion, ten million, five hundred twenty thousand, sixty-five".