10065651610565 has 8 divisors (see below), whose sum is σ = 12145515535608. Its totient is φ = 8008032219840.

The previous prime is 10065651610549. The next prime is 10065651610613. The reversal of 10065651610565 is 56501615656001.

It can be written as a sum of positive squares in 4 ways, for example, as 820196488609 + 9245455121956 = 905647^2 + 3040634^2 .

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

It is not a de Polignac number, because 10065651610565 - 2⁴ = 10065651610549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5561132582 + ... + 5561134391.

It is an arithmetic number, because the mean of its divisors is an integer number (1518189441951).

Almost surely, 2^{10065651610565} is an apocalyptic number.

It is an amenable number.

10065651610565 is a deficient number, since it is larger than the sum of its proper divisors (2079863925043).

10065651610565 is a wasteful number, since it uses less digits than its factorization.

10065651610565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122267159.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 10065651610565 in words is "ten trillion, sixty-five billion, six hundred fifty-one million, six hundred ten thousand, five hundred sixty-five".