1113505032 has 96 divisors (see below), whose sum is σ = 3110853600. Its totient is φ = 330075648.

The previous prime is 1113505031. The next prime is 1113505039. The reversal of 1113505032 is 2305053111.

It is not an unprimeable number, because it can be changed into a prime (1113505031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2937819 + ... + 2938197.

It is an arithmetic number, because the mean of its divisors is an integer number (32404725).

Almost surely, 2^1113505032 is an apocalyptic number.

1113505032 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 1113505032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555426800).

1113505032 is an abundant number, since it is smaller than the sum of its proper divisors (1997348568).

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

1113505032 is a wasteful number, since it uses less digits than its factorization.

1113505032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1113505032 is about 33369.2228258316. Note that the first 3 decimals coincide. The cubic root of 1113505032 is about 1036.4874819569.

Adding to 1113505032 its reverse (2305053111), we get a palindrome (3418558143).

The spelling of 1113505032 in words is "one billion, one hundred thirteen million, five hundred five thousand, thirty-two".