111443044051 has 4 divisors (see below), whose sum is σ = 111529906632. Its totient is φ = 111356181472.

The previous prime is 111443043949. The next prime is 111443044061. The reversal of 111443044051 is 150440344111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150440344111 = 149 ⋅1009666739.

It is a cyclic number.

It is not a de Polignac number, because 111443044051 - 2⁹ = 111443043539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111443044061) 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, 43429366 + ... + 43431931.

It is an arithmetic number, because the mean of its divisors is an integer number (27882476658).

Almost surely, 2^111443044051 is an apocalyptic number.

111443044051 is a deficient number, since it is larger than the sum of its proper divisors (86862581).

111443044051 is an equidigital number, since it uses as much as digits as its factorization.

111443044051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86862580.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 111443044051 its reverse (150440344111), we get a palindrome (261883388162).

The spelling of 111443044051 in words is "one hundred eleven billion, four hundred forty-three million, forty-four thousand, fifty-one".