11650665066165 has 24 divisors (see below), whose sum is σ = 20195006713440. Its totient is φ = 6213527851104.

The previous prime is 11650665066101. The next prime is 11650665066233. The reversal of 11650665066165 is 56166056605611.

11650665066165 is a `hidden beast` number, since 1 + 1 + 6 + 506 + 65 + 0 + 66 + 16 + 5 = 666.

It is not a de Polignac number, because 11650665066165 - 2⁶ = 11650665066101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1561807 + ... + 5073516.

It is an arithmetic number, because the mean of its divisors is an integer number (841458613060).

Almost surely, 2^{11650665066165} is an apocalyptic number.

11650665066165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11650665066165 is a deficient number, since it is larger than the sum of its proper divisors (8544341647275).

11650665066165 is a wasteful number, since it uses less digits than its factorization.

11650665066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674353 (or 6674350 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 11650665066165 in words is "eleven trillion, six hundred fifty billion, six hundred sixty-five million, sixty-six thousand, one hundred sixty-five".