11006500515165 has 24 divisors (see below), whose sum is σ = 19693351461888. Its totient is φ = 5680774458720.

The previous prime is 11006500515161. The next prime is 11006500515217. The reversal of 11006500515165 is 56151500560011.

It is a happy number.

It is not a de Polignac number, because 11006500515165 - 2² = 11006500515161 is a prime.

It is a super-2 number, since 2×11006500515165² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11006500515161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3944980869 + ... + 3944983658.

It is an arithmetic number, because the mean of its divisors is an integer number (820556310912).

Almost surely, 2^{11006500515165} is an apocalyptic number.

11006500515165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11006500515165 is a deficient number, since it is larger than the sum of its proper divisors (8686850946723).

11006500515165 is a wasteful number, since it uses less digits than its factorization.

11006500515165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889964569 (or 7889964566 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 11006500515165 in words is "eleven trillion, six billion, five hundred million, five hundred fifteen thousand, one hundred sixty-five".