1112543419840 has 112 divisors (see below), whose sum is σ = 2700747992448. Its totient is φ = 436375240704.

The previous prime is 1112543419733. The next prime is 1112543419891. The reversal of 1112543419840 is 489143452111.

It is a super-2 number, since 2×1112543419840² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31748569 + ... + 31783591.

Almost surely, 2^{1112543419840} is an apocalyptic number.

1112543419840 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 1112543419840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350373996224).

1112543419840 is an abundant number, since it is smaller than the sum of its proper divisors (1588204572608).

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

1112543419840 is a wasteful number, since it uses less digits than its factorization.

1112543419840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36966 (or 36956 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 1112543419840 in words is "one trillion, one hundred twelve billion, five hundred forty-three million, four hundred nineteen thousand, eight hundred forty".