11659505385144 has 64 divisors (see below), whose sum is σ = 29319750663840. Its totient is φ = 3863718074880.

The previous prime is 11659505385131. The next prime is 11659505385217. The reversal of 11659505385144 is 44158350595611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12391362 + ... + 13299054.

Almost surely, 2^{11659505385144} is an apocalyptic number.

It is an amenable number.

11659505385144 is an abundant number, since it is smaller than the sum of its proper divisors (17660245278696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11659505385144 is a wasteful number, since it uses less digits than its factorization.

11659505385144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910840 (or 910836 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 57.

The spelling of 11659505385144 in words is "eleven trillion, six hundred fifty-nine billion, five hundred five million, three hundred eighty-five thousand, one hundred forty-four".