1115303504 has 60 divisors (see below), whose sum is σ = 2555018388. Its totient is φ = 470131200.

The previous prime is 1115303407. The next prime is 1115303533. The reversal of 1115303504 is 4053035111.

It can be written as a sum of positive squares in 2 ways, for example, as 224400400 + 890903104 = 14980^2 + 29848^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1115303504.

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 11 ways as a sum of consecutive naturals, for example, 36164 + ... + 59484.

Almost surely, 2^1115303504 is an apocalyptic number.

1115303504 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 1115303504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277509194).

1115303504 is an abundant number, since it is smaller than the sum of its proper divisors (1439714884).

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

1115303504 is a wasteful number, since it uses less digits than its factorization.

1115303504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23404 (or 23391 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1115303504 is about 33396.1600187806. The cubic root of 1115303504 is about 1037.0452076270.

Adding to 1115303504 its reverse (4053035111), we get a palindrome (5168338615).

The spelling of 1115303504 in words is "one billion, one hundred fifteen million, three hundred three thousand, five hundred four".