111132542040 has 256 divisors, whose sum is σ = 379918425600. Its totient is φ = 25780322304.

The previous prime is 111132542039. The next prime is 111132542077. The reversal of 111132542040 is 40245231111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 111132542040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5710807 + ... + 5730233.

It is an arithmetic number, because the mean of its divisors is an integer number (1484056350).

Almost surely, 2^111132542040 is an apocalyptic number.

111132542040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111132542040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189959212800).

111132542040 is an abundant number, since it is smaller than the sum of its proper divisors (268785883560).

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

111132542040 is a wasteful number, since it uses less digits than its factorization.

111132542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666 (or 19662 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 111132542040 its reverse (40245231111), we get a palindrome (151377773151).

The spelling of 111132542040 in words is "one hundred eleven billion, one hundred thirty-two million, five hundred forty-two thousand, forty".