1115533252 has 12 divisors (see below), whose sum is σ = 1958422396. Its totient is φ = 555984000.

The previous prime is 1115533249. The next prime is 1115533273. The reversal of 1115533252 is 2523355111.

It can be written as a sum of positive squares in 2 ways, for example, as 77018176 + 1038515076 = 8776^2 + 32226^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1115533252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444249 + ... + 446752.

Almost surely, 2^1115533252 is an apocalyptic number.

It is an amenable number.

1115533252 is a deficient number, since it is larger than the sum of its proper divisors (842889144).

1115533252 is a wasteful number, since it uses less digits than its factorization.

1115533252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891318 (or 891316 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 1115533252 is about 33399.5995784381. The cubic root of 1115533252 is about 1037.1164117740.

Adding to 1115533252 its reverse (2523355111), we get a palindrome (3638888363).

The spelling of 1115533252 in words is "one billion, one hundred fifteen million, five hundred thirty-three thousand, two hundred fifty-two".