1113543132 has 96 divisors (see below), whose sum is σ = 2846625600. Its totient is φ = 336752640.

The previous prime is 1113543121. The next prime is 1113543161. The reversal of 1113543132 is 2313453111.

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, 3190494 + ... + 3190842.

It is an arithmetic number, because the mean of its divisors is an integer number (29652350).

Almost surely, 2^1113543132 is an apocalyptic number.

1113543132 is a gapful number since it is divisible by the number (12) 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 1113543132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423312800).

1113543132 is an abundant number, since it is smaller than the sum of its proper divisors (1733082468).

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

1113543132 is a wasteful number, since it uses less digits than its factorization.

1113543132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 661 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 1113543132 is about 33369.7937062847. The cubic root of 1113543132 is about 1036.4993034040.

Adding to 1113543132 its reverse (2313453111), we get a palindrome (3426996243).

The spelling of 1113543132 in words is "one billion, one hundred thirteen million, five hundred forty-three thousand, one hundred thirty-two".