11999044565011 has 8 divisors (see below), whose sum is σ = 14519852246880. Its totient is φ = 9679901497728.

The previous prime is 11999044564999. The next prime is 11999044565047. The reversal of 11999044565011 is 11056544099911.

It is a happy number.

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

It is not a de Polignac number, because 11999044565011 - 2³¹ = 11996897081363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11999044515011) 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, 50416153516 + ... + 50416153753.

It is an arithmetic number, because the mean of its divisors is an integer number (1814981530860).

Almost surely, 2^{11999044565011} is an apocalyptic number.

11999044565011 is a deficient number, since it is larger than the sum of its proper divisors (2520807681869).

11999044565011 is a wasteful number, since it uses less digits than its factorization.

11999044565011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100832307293.

The product of its (nonzero) digits is 1749600, while the sum is 55.

The spelling of 11999044565011 in words is "eleven trillion, nine hundred ninety-nine billion, forty-four million, five hundred sixty-five thousand, eleven".