11985044259134 has 16 divisors (see below), whose sum is σ = 18720644620320. Its totient is φ = 5747566322400.

The previous prime is 11985044259011. The next prime is 11985044259157. The reversal of 11985044259134 is 43195244058911.

It is a self number, because there is not a number n which added to its sum of digits gives 11985044259134.

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 7 ways as a sum of consecutive naturals, for example, 684225329 + ... + 684242844.

It is an arithmetic number, because the mean of its divisors is an integer number (1170040288770).

Almost surely, 2^{11985044259134} is an apocalyptic number.

11985044259134 is a deficient number, since it is larger than the sum of its proper divisors (6735600361186).

11985044259134 is a wasteful number, since it uses less digits than its factorization.

11985044259134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368468355.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 11985044259134 in words is "eleven trillion, nine hundred eighty-five billion, forty-four million, two hundred fifty-nine thousand, one hundred thirty-four".