11206656010665 has 24 divisors (see below), whose sum is σ = 19502260360128. Its totient is φ = 5953070916000.

The previous prime is 11206656010657. The next prime is 11206656010703. The reversal of 11206656010665 is 56601065660211.

11206656010665 is a `hidden beast` number, since 1 + 1 + 20 + 6 + 6 + 560 + 1 + 0 + 6 + 65 = 666.

It is not a de Polignac number, because 11206656010665 - 2³ = 11206656010657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11206656010665.

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, 496077949 + ... + 496100538.

It is an arithmetic number, because the mean of its divisors is an integer number (812594181672).

Almost surely, 2^{11206656010665} is an apocalyptic number.

11206656010665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11206656010665 is a deficient number, since it is larger than the sum of its proper divisors (8295604349463).

11206656010665 is a wasteful number, since it uses less digits than its factorization.

11206656010665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992178749 (or 992178746 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 11206656010665 in words is "eleven trillion, two hundred six billion, six hundred fifty-six million, ten thousand, six hundred sixty-five".