111441043142 has 16 divisors (see below), whose sum is σ = 196385614992. Its totient is φ = 46758479520.

The previous prime is 111441043093. The next prime is 111441043157. The reversal of 111441043142 is 241340144111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 194826713 + ... + 194827284.

It is an arithmetic number, because the mean of its divisors is an integer number (12274100937).

Almost surely, 2^111441043142 is an apocalyptic number.

111441043142 is a deficient number, since it is larger than the sum of its proper divisors (84944571850).

111441043142 is a wasteful number, since it uses less digits than its factorization.

111441043142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389654023.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 111441043142 its reverse (241340144111), we get a palindrome (352781187253).

The spelling of 111441043142 in words is "one hundred eleven billion, four hundred forty-one million, forty-three thousand, one hundred forty-two".