111044431011 has 8 divisors (see below), whose sum is σ = 149933409280. Its totient is φ = 73092536712.

The previous prime is 111044431009. The next prime is 111044431021. The reversal of 111044431011 is 110134440111.

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

It is not a de Polignac number, because 111044431011 - 2¹ = 111044431009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111044431021) 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 7 ways as a sum of consecutive naturals, for example, 234270715 + ... + 234271188.

It is an arithmetic number, because the mean of its divisors is an integer number (18741676160).

Almost surely, 2^111044431011 is an apocalyptic number.

111044431011 is a deficient number, since it is larger than the sum of its proper divisors (38888978269).

111044431011 is an equidigital number, since it uses as much as digits as its factorization.

111044431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468541985.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111044431011 its reverse (110134440111), we get a palindrome (221178871122).

The spelling of 111044431011 in words is "one hundred eleven billion, forty-four million, four hundred thirty-one thousand, eleven".