1105531032 has 64 divisors (see below), whose sum is σ = 2836500480. Its totient is φ = 358872192.

The previous prime is 1105531013. The next prime is 1105531057. The reversal of 1105531032 is 2301355011.

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 15 ways as a sum of consecutive naturals, for example, 393858 + ... + 396654.

It is an arithmetic number, because the mean of its divisors is an integer number (44320320).

Almost surely, 2^1105531032 is an apocalyptic number.

1105531032 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 1105531032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418250240).

1105531032 is an abundant number, since it is smaller than the sum of its proper divisors (1730969448).

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

1105531032 is a wasteful number, since it uses less digits than its factorization.

1105531032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232 (or 3228 counting only the distinct ones).

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

The square root of 1105531032 is about 33249.5267936252. The cubic root of 1105531032 is about 1034.0073976826.

Adding to 1105531032 its reverse (2301355011), we get a palindrome (3406886043).

The spelling of 1105531032 in words is "one billion, one hundred five million, five hundred thirty-one thousand, thirty-two".