11665518022085 has 8 divisors (see below), whose sum is σ = 13999515002496. Its totient is φ = 9331818833680.

The previous prime is 11665518022063. The next prime is 11665518022129. The reversal of 11665518022085 is 58022081556611.

11665518022085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11665518022085 - 2¹⁰ = 11665518021061 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, 74361809 + ... + 74518518.

It is an arithmetic number, because the mean of its divisors is an integer number (1749939375312).

Almost surely, 2^{11665518022085} is an apocalyptic number.

It is an amenable number.

11665518022085 is a deficient number, since it is larger than the sum of its proper divisors (2333996980411).

11665518022085 is a wasteful number, since it uses less digits than its factorization.

11665518022085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148896003.

The product of its (nonzero) digits is 1152000, while the sum is 50.

Adding to 11665518022085 its reverse (58022081556611), we get a palindrome (69687599578696).

The spelling of 11665518022085 in words is "eleven trillion, six hundred sixty-five billion, five hundred eighteen million, twenty-two thousand, eighty-five".