11444121343999 has 16 divisors (see below), whose sum is σ = 11849285196000. Its totient is φ = 11039663416320.

The previous prime is 11444121343979. The next prime is 11444121344081. The reversal of 11444121343999 is 99934312144411.

It is a cyclic number.

It is not a de Polignac number, because 11444121343999 - 2³⁵ = 11409761605631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444121343979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216353547 + ... + 216406435.

It is an arithmetic number, because the mean of its divisors is an integer number (740580324750).

Almost surely, 2^{11444121343999} is an apocalyptic number.

11444121343999 is a deficient number, since it is larger than the sum of its proper divisors (405163852001).

11444121343999 is a wasteful number, since it uses less digits than its factorization.

11444121343999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59418.

The product of its digits is 3359232, while the sum is 55.

The spelling of 11444121343999 in words is "eleven trillion, four hundred forty-four billion, one hundred twenty-one million, three hundred forty-three thousand, nine hundred ninety-nine".