10065105517 has 4 divisors (see below), whose sum is σ = 10101441916. Its totient is φ = 10028769120.

The previous prime is 10065105511. The next prime is 10065105529. The reversal of 10065105517 is 71550156001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71550156001 = 2719 ⋅26314879.

It can be written as a sum of positive squares in 2 ways, for example, as 2772970281 + 7292135236 = 52659^2 + 85394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10065105517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10065105511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18167784 + ... + 18168337.

It is an arithmetic number, because the mean of its divisors is an integer number (2525360479).

Almost surely, 2^10065105517 is an apocalyptic number.

It is an amenable number.

10065105517 is a deficient number, since it is larger than the sum of its proper divisors (36336399).

10065105517 is an equidigital number, since it uses as much as digits as its factorization.

10065105517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36336398.

The product of its (nonzero) digits is 5250, while the sum is 31.

The spelling of 10065105517 in words is "ten billion, sixty-five million, one hundred five thousand, five hundred seventeen".