11530211 has 12 divisors (see below), whose sum is σ = 14485296. Its totient is φ = 8983920.

The previous prime is 11530201. The next prime is 11530219. The reversal of 11530211 is 11203511.

11530211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11530211 - 2²² = 7335907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11530219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5960 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (1207108).

Almost surely, 2^11530211 is an apocalyptic number.

11530211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11530211 is a deficient number, since it is larger than the sum of its proper divisors (2955085).

11530211 is a wasteful number, since it uses less digits than its factorization.

11530211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642 (or 13631 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11530211 is about 3395.6164388812. The cubic root of 11530211 is about 225.9153558291.

Adding to 11530211 its reverse (11203511), we get a palindrome (22733722).

The spelling of 11530211 in words is "eleven million, five hundred thirty thousand, two hundred eleven".