11286821693665 has 16 divisors (see below), whose sum is σ = 16293757633920. Its totient is φ = 7332190934400.

The previous prime is 11286821693611. The next prime is 11286821693681. The reversal of 11286821693665 is 56639612868211.

It is not a de Polignac number, because 11286821693665 - 2²³ = 11286813305057 is a prime.

It is a super-2 number, since 2×11286821693665² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11286821693597 and 11286821693606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8486331436 + ... + 8486332765.

It is an arithmetic number, because the mean of its divisors is an integer number (1018359852120).

Almost surely, 2^{11286821693665} is an apocalyptic number.

It is an amenable number.

11286821693665 is a deficient number, since it is larger than the sum of its proper divisors (5006935940255).

11286821693665 is a wasteful number, since it uses less digits than its factorization.

11286821693665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16972664232.

The product of its digits is 44789760, while the sum is 64.

The spelling of 11286821693665 in words is "eleven trillion, two hundred eighty-six billion, eight hundred twenty-one million, six hundred ninety-three thousand, six hundred sixty-five".