11105605000660 has 24 divisors (see below), whose sum is σ = 23322468516480. Its totient is φ = 4442109045024.

The previous prime is 11105605000657. The next prime is 11105605000667. The reversal of 11105605000660 is 6600050650111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105605000667) 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, 7623384 + ... + 8962543.

It is an arithmetic number, because the mean of its divisors is an integer number (971769521520).

Almost surely, 2^{11105605000660} is an apocalyptic number.

11105605000660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11105605000660 is an abundant number, since it is smaller than the sum of its proper divisors (12216863515820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11105605000660 is a wasteful number, since it uses less digits than its factorization.

11105605000660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16619415 (or 16619413 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 11105605000660 its reverse (6600050650111), we get a palindrome (17705655650771).

The spelling of 11105605000660 in words is "eleven trillion, one hundred five billion, six hundred five million, six hundred sixty", and thus it is an aban number.