65115051101165 has 8 divisors (see below), whose sum is σ = 84148681423128. Its totient is φ = 48084960813120.

The previous prime is 65115051101159. The next prime is 65115051101179. The reversal of 65115051101165 is 56110115051156.

It can be written as a sum of positive squares in 4 ways, for example, as 4537253586889 + 60577797514276 = 2130083^2 + 7783174^2 .

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

It is not a de Polignac number, because 65115051101165 - 2⁶ = 65115051101101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500885008406 + ... + 500885008535.

It is an arithmetic number, because the mean of its divisors is an integer number (10518585177891).

Almost surely, 2^{65115051101165} is an apocalyptic number.

65115051101165 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65115051101165 is a deficient number, since it is larger than the sum of its proper divisors (19033630321963).

65115051101165 is a wasteful number, since it uses less digits than its factorization.

65115051101165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001770016959.

The product of its (nonzero) digits is 22500, while the sum is 38.

The spelling of 65115051101165 in words is "sixty-five trillion, one hundred fifteen billion, fifty-one million, one hundred one thousand, one hundred sixty-five".