111043111131342 has 144 divisors (see below), whose sum is σ = 264127688435520. Its totient is φ = 33516588748032.

The previous prime is 111043111131263. The next prime is 111043111131361. The reversal of 111043111131342 is 243131111340111.

111043111131342 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 4 + 311 + 1 + 1 + 3 + 1 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5100026368 + ... + 5100048140.

It is an arithmetic number, because the mean of its divisors is an integer number (1834220058580).

Almost surely, 2^{111043111131342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111043111131342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132063844217760).

111043111131342 is an abundant number, since it is smaller than the sum of its proper divisors (153084577304178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111043111131342 is a wasteful number, since it uses less digits than its factorization.

111043111131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29659 (or 29603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 111043111131342 its reverse (243131111340111), we get a palindrome (354174222471453).

The spelling of 111043111131342 in words is "one hundred eleven trillion, forty-three billion, one hundred eleven million, one hundred thirty-one thousand, three hundred forty-two".