1155530006 has 4 divisors (see below), whose sum is σ = 1733295012. Its totient is φ = 577765002.

The previous prime is 1155529997. The next prime is 1155530029. The reversal of 1155530006 is 6000355511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6000355511 = 163 ⋅36811997.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 288882500 + ... + 288882503.

It is an arithmetic number, because the mean of its divisors is an integer number (433323753).

Almost surely, 2^1155530006 is an apocalyptic number.

1155530006 is a deficient number, since it is larger than the sum of its proper divisors (577765006).

1155530006 is an equidigital number, since it uses as much as digits as its factorization.

1155530006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577765005.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1155530006 is about 33993.0876208679. The cubic root of 1155530006 is about 1049.3662104107.

Adding to 1155530006 its reverse (6000355511), we get a palindrome (7155885517).

The spelling of 1155530006 in words is "one billion, one hundred fifty-five million, five hundred thirty thousand, six".