111442342041 has 12 divisors (see below), whose sum is σ = 161013523632. Its totient is φ = 74275855416.

The previous prime is 111442342027. The next prime is 111442342057. The reversal of 111442342041 is 140243244111.

111442342041 is a `hidden beast` number, since 1 + 11 + 442 + 3 + 4 + 204 + 1 = 666.

It is not a de Polignac number, because 111442342041 - 2¹¹ = 111442339993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111442341996 and 111442342014.

It is not an unprimeable number, because it can be changed into a prime (111442342001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1549491 + ... + 1619816.

It is an arithmetic number, because the mean of its divisors is an integer number (13417793636).

Almost surely, 2^111442342041 is an apocalyptic number.

It is an amenable number.

111442342041 is a deficient number, since it is larger than the sum of its proper divisors (49571181591).

111442342041 is a wasteful number, since it uses less digits than its factorization.

111442342041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173220 (or 3173217 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 111442342041 its reverse (140243244111), we get a palindrome (251685586152).

The spelling of 111442342041 in words is "one hundred eleven billion, four hundred forty-two million, three hundred forty-two thousand, forty-one".