11644886801807 has 8 divisors (see below), whose sum is σ = 13308466584576. Its totient is φ = 9981313150392.

The previous prime is 11644886801797. The next prime is 11644886801809. The reversal of 11644886801807 is 70810868844611.

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 11644886801807 - 2²⁰ = 11644885753231 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 11644886801807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11644886801809) 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, 3751418 + ... + 6112520.

It is an arithmetic number, because the mean of its divisors is an integer number (1663558323072).

Almost surely, 2^{11644886801807} is an apocalyptic number.

11644886801807 is a deficient number, since it is larger than the sum of its proper divisors (1663579782769).

11644886801807 is an equidigital number, since it uses as much as digits as its factorization.

11644886801807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065677.

The product of its (nonzero) digits is 16515072, while the sum is 62.

The spelling of 11644886801807 in words is "eleven trillion, six hundred forty-four billion, eight hundred eighty-six million, eight hundred one thousand, eight hundred seven".