11166065517 has 4 divisors (see below), whose sum is σ = 14888087360. Its totient is φ = 7444043676.

The previous prime is 11166065503. The next prime is 11166065527. The reversal of 11166065517 is 71556066111.

11166065517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11166065517 - 2²² = 11161871213 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 (11166065527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861010917 + ... + 1861010922.

It is an arithmetic number, because the mean of its divisors is an integer number (3722021840).

Almost surely, 2^11166065517 is an apocalyptic number.

It is an amenable number.

11166065517 is a deficient number, since it is larger than the sum of its proper divisors (3722021843).

11166065517 is an equidigital number, since it uses as much as digits as its factorization.

11166065517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722021842.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 11166065517 in words is "eleven billion, one hundred sixty-six million, sixty-five thousand, five hundred seventeen".