111434451040 has 192 divisors, whose sum is σ = 302160414528. Its totient is φ = 38463897600.

The previous prime is 111434450977. The next prime is 111434451101. The reversal of 111434451040 is 40154434111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2649052 + ... + 2690788.

It is an arithmetic number, because the mean of its divisors is an integer number (1573752159).

Almost surely, 2^111434451040 is an apocalyptic number.

111434451040 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 111434451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151080207264).

111434451040 is an abundant number, since it is smaller than the sum of its proper divisors (190725963488).

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

111434451040 is a wasteful number, since it uses less digits than its factorization.

111434451040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41841 (or 41833 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 111434451040 its reverse (40154434111), we get a palindrome (151588885151).

The spelling of 111434451040 in words is "one hundred eleven billion, four hundred thirty-four million, four hundred fifty-one thousand, forty".