11644643670001 has 8 divisors (see below), whose sum is σ = 11647565092800. Its totient is φ = 11641722536400.

The previous prime is 11644643669977. The next prime is 11644643670031. The reversal of 11644643670001 is 10007634644611.

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

It is a cyclic number.

It is not a de Polignac number, because 11644643670001 - 2⁹ = 11644643669489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11644643670001.

It is not an unprimeable number, because it can be changed into a prime (11644643670031) 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, 95930935 + ... + 96052243.

It is an arithmetic number, because the mean of its divisors is an integer number (1455945636600).

Almost surely, 2^{11644643670001} is an apocalyptic number.

It is an amenable number.

11644643670001 is a deficient number, since it is larger than the sum of its proper divisors (2921422799).

11644643670001 is a wasteful number, since it uses less digits than its factorization.

11644643670001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144599.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 11644643670001 in words is "eleven trillion, six hundred forty-four billion, six hundred forty-three million, six hundred seventy thousand, one".