11444043111 has 16 divisors (see below), whose sum is σ = 15759590400. Its totient is φ = 7379199360.

The previous prime is 11444043109. The next prime is 11444043137. The reversal of 11444043111 is 11134044411.

It is not a de Polignac number, because 11444043111 - 2¹ = 11444043109 is a prime.

It is a super-2 number, since 2×11444043111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444043101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141340 + ... + 207038.

It is an arithmetic number, because the mean of its divisors is an integer number (984974400).

Almost surely, 2^11444043111 is an apocalyptic number.

11444043111 is a deficient number, since it is larger than the sum of its proper divisors (4315547289).

11444043111 is a wasteful number, since it uses less digits than its factorization.

11444043111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67606.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 11444043111 its reverse (11134044411), we get a palindrome (22578087522).

The spelling of 11444043111 in words is "eleven billion, four hundred forty-four million, forty-three thousand, one hundred eleven".