11663356236321 has 8 divisors (see below), whose sum is σ = 15551172576640. Its totient is φ = 7775555360112.

The previous prime is 11663356236299. The next prime is 11663356236331. The reversal of 11663356236321 is 12363265336611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11663356236321 - 2¹⁸ = 11663355974177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11663356236331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973881 + ... + 5217558.

It is an arithmetic number, because the mean of its divisors is an integer number (1943896572080).

Almost surely, 2^{11663356236321} is an apocalyptic number.

It is an amenable number.

11663356236321 is a deficient number, since it is larger than the sum of its proper divisors (3887816340319).

11663356236321 is an equidigital number, since it uses as much as digits as its factorization.

11663356236321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732055.

The product of its digits is 2099520, while the sum is 48.

The spelling of 11663356236321 in words is "eleven trillion, six hundred sixty-three billion, three hundred fifty-six million, two hundred thirty-six thousand, three hundred twenty-one".