1115432304 has 80 divisors (see below), whose sum is σ = 3298955520. Its totient is φ = 318136320.

The previous prime is 1115432293. The next prime is 1115432317. The reversal of 1115432304 is 4032345111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212787 + ... + 217965.

It is an arithmetic number, because the mean of its divisors is an integer number (41236944).

Almost surely, 2^1115432304 is an apocalyptic number.

1115432304 is a gapful number since it is divisible by the number (14) 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 1115432304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649477760).

1115432304 is an abundant number, since it is smaller than the sum of its proper divisors (2183523216).

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

1115432304 is a wasteful number, since it uses less digits than its factorization.

1115432304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838 (or 5832 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1115432304 is about 33398.0883285256. The cubic root of 1115432304 is about 1037.0851268899.

Adding to 1115432304 its reverse (4032345111), we get a palindrome (5147777415).

The spelling of 1115432304 in words is "one billion, one hundred fifteen million, four hundred thirty-two thousand, three hundred four".