11165210065 has 8 divisors (see below), whose sum is σ = 14103423360. Its totient is φ = 8462053872.

The previous prime is 11165210039. The next prime is 11165210081. The reversal of 11165210065 is 56001256111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11165210065 - 2⁹ = 11165209553 is a prime.

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, 58764169 + ... + 58764358.

It is an arithmetic number, because the mean of its divisors is an integer number (1762927920).

Almost surely, 2^11165210065 is an apocalyptic number.

It is an amenable number.

11165210065 is a deficient number, since it is larger than the sum of its proper divisors (2938213295).

11165210065 is a wasteful number, since it uses less digits than its factorization.

11165210065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117528551.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 11165210065 its reverse (56001256111), we get a palindrome (67166466176).

The spelling of 11165210065 in words is "eleven billion, one hundred sixty-five million, two hundred ten thousand, sixty-five".