440142112111 has 16 divisors (see below), whose sum is σ = 475126274560. Its totient is φ = 405319995360.

The previous prime is 440142112037. The next prime is 440142112117. The reversal of 440142112111 is 111211241044.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440142112111 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 (440142112117) 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, 10667920 + ... + 10709098.

It is an arithmetic number, because the mean of its divisors is an integer number (29695392160).

Almost surely, 2^440142112111 is an apocalyptic number.

440142112111 is a deficient number, since it is larger than the sum of its proper divisors (34984162449).

440142112111 is a wasteful number, since it uses less digits than its factorization.

440142112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43126.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 440142112111 its reverse (111211241044), we get a palindrome (551353353155).

The spelling of 440142112111 in words is "four hundred forty billion, one hundred forty-two million, one hundred twelve thousand, one hundred eleven".