1115543232 has 224 divisors, whose sum is σ = 3439972800. Its totient is φ = 354041856.

The previous prime is 1115543227. The next prime is 1115543237. The reversal of 1115543232 is 2323455111.

1115543232 is a `hidden beast` number, since 1 + 115 + 543 + 2 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1115543227) and next prime (1115543237).

It is a super-2 number, since 2×1115543232² = 2488873404922011648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

1115543232 is a Rhonda number in base 10.

Its product of digits (3600) is a multiple of the sum of its prime factors (360).

It is a junction number, because it is equal to n+sod(n) for n = 1115543196 and 1115543205.

It is not an unprimeable number, because it can be changed into a prime (1115543237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5662558 + ... + 5662754.

Almost surely, 2^1115543232 is an apocalyptic number.

1115543232 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 1115543232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719986400).

1115543232 is an abundant number, since it is smaller than the sum of its proper divisors (2324429568).

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

1115543232 is a wasteful number, since it uses less digits than its factorization.

1115543232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 344 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1115543232 is about 33399.7489810927. The cubic root of 1115543232 is about 1037.1195045822.

Adding to 1115543232 its reverse (2323455111), we get a palindrome (3438998343).

The spelling of 1115543232 in words is "one billion, one hundred fifteen million, five hundred forty-three thousand, two hundred thirty-two".