1149530211 has 28 divisors (see below), whose sum is σ = 1739732472. Its totient is φ = 759139776.

The previous prime is 1149530203. The next prime is 1149530227. The reversal of 1149530211 is 1120359411.

It is a happy number.

1149530211 is a `hidden beast` number, since 114 + 9 + 530 + 2 + 11 = 666.

It is not a de Polignac number, because 1149530211 - 2³ = 1149530203 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1149530201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 70635 + ... + 85371.

Almost surely, 2^1149530211 is an apocalyptic number.

1149530211 is a deficient number, since it is larger than the sum of its proper divisors (590202261).

1149530211 is an equidigital number, since it uses as much as digits as its factorization.

1149530211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14862 (or 14847 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1149530211 is about 33904.7225471615. The cubic root of 1149530211 is about 1047.5468690948.

Adding to 1149530211 its reverse (1120359411), we get a palindrome (2269889622).

The spelling of 1149530211 in words is "one billion, one hundred forty-nine million, five hundred thirty thousand, two hundred eleven".