11665605656110 has 16 divisors (see below), whose sum is σ = 23997817349856. Its totient is φ = 3999636224928.

The previous prime is 11665605656093. The next prime is 11665605656119. The reversal of 11665605656110 is 1165650656611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665605656119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83325754617 + ... + 83325754756.

It is an arithmetic number, because the mean of its divisors is an integer number (1499863584366).

Almost surely, 2^{11665605656110} is an apocalyptic number.

11665605656110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11665605656110 is an abundant number, since it is smaller than the sum of its proper divisors (12332211693746).

11665605656110 is a wasteful number, since it uses less digits than its factorization.

11665605656110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166651509387.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 11665605656110 in words is "eleven trillion, six hundred sixty-five billion, six hundred five million, six hundred fifty-six thousand, one hundred ten".