1155530033 has 8 divisors (see below), whose sum is σ = 1320939840. Its totient is φ = 990203760.

The previous prime is 1155530029. The next prime is 1155530191. The reversal of 1155530033 is 3300355511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1155530033 - 2² = 1155530029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1155529984 and 1155530011.

It is not an unprimeable number, because it can be changed into a prime (1155530633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12278 + ... + 49616.

It is an arithmetic number, because the mean of its divisors is an integer number (165117480).

Almost surely, 2^1155530033 is an apocalyptic number.

It is an amenable number.

1155530033 is a deficient number, since it is larger than the sum of its proper divisors (165409807).

1155530033 is an equidigital number, since it uses as much as digits as its factorization.

1155530033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41767.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 1155530033 is about 33993.0880180074. The cubic root of 1155530033 is about 1049.3662185839.

Adding to 1155530033 its reverse (3300355511), we get a palindrome (4455885544).

The spelling of 1155530033 in words is "one billion, one hundred fifty-five million, five hundred thirty thousand, thirty-three".