11006661316544 has 56 divisors (see below), whose sum is σ = 21914516038800. Its totient is φ = 5484896833536.

The previous prime is 11006661316471. The next prime is 11006661316549. The reversal of 11006661316544 is 44561316660011.

It is a super-2 number, since 2×11006661316544² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11006661316495 and 11006661316504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11006661316549) 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, 301558904 + ... + 301595400.

It is an arithmetic number, because the mean of its divisors is an integer number (391330643550).

Almost surely, 2^{11006661316544} is an apocalyptic number.

It is an amenable number.

11006661316544 is a deficient number, since it is larger than the sum of its proper divisors (10907854722256).

11006661316544 is a wasteful number, since it uses less digits than its factorization.

11006661316544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52165 (or 52155 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

Adding to 11006661316544 its reverse (44561316660011), we get a palindrome (55567977976555).

The spelling of 11006661316544 in words is "eleven trillion, six billion, six hundred sixty-one million, three hundred sixteen thousand, five hundred forty-four".