111443044052 has 24 divisors (see below), whose sum is σ = 201764798760. Its totient is φ = 53796234240.

The previous prime is 111443043949. The next prime is 111443044061. The reversal of 111443044052 is 250440344111.

It can be written as a sum of positive squares in 4 ways, for example, as 30232863376 + 81210180676 = 173876^2 + 284974^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230448 + ... + 2279864.

It is an arithmetic number, because the mean of its divisors is an integer number (8406866615).

Almost surely, 2^111443044052 is an apocalyptic number.

It is an amenable number.

111443044052 is a deficient number, since it is larger than the sum of its proper divisors (90321754708).

111443044052 is a wasteful number, since it uses less digits than its factorization.

111443044052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68891 (or 68889 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 111443044052 its reverse (250440344111), we get a palindrome (361883388163).

The spelling of 111443044052 in words is "one hundred eleven billion, four hundred forty-three million, forty-four thousand, fifty-two".