13044140111 has 4 divisors (see below), whose sum is σ = 13170782352. Its totient is φ = 12917497872.

The previous prime is 13044140107. The next prime is 13044140117. The reversal of 13044140111 is 11104144031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13044140111 - 2² = 13044140107 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 (13044140117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63320966 + ... + 63321171.

It is an arithmetic number, because the mean of its divisors is an integer number (3292695588).

Almost surely, 2^13044140111 is an apocalyptic number.

13044140111 is a deficient number, since it is larger than the sum of its proper divisors (126642241).

13044140111 is a wasteful number, since it uses less digits than its factorization.

13044140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126642240.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 13044140111 its reverse (11104144031), we get a palindrome (24148284142).

The spelling of 13044140111 in words is "thirteen billion, forty-four million, one hundred forty thousand, one hundred eleven".