11009530 has 16 divisors (see below), whose sum is σ = 22648320. Its totient is φ = 3774672.

The previous prime is 11009527. The next prime is 11009533. The reversal of 11009530 is 3590011.

11009530 = 208² + 209² + ... + 347².

It is an interprime number because it is at equal distance from previous prime (11009527) and next prime (11009533).

It is a junction number, because it is equal to n+sod(n) for n = 11009498 and 11009507.

It is not an unprimeable number, because it can be changed into a prime (11009533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78570 + ... + 78709.

It is an arithmetic number, because the mean of its divisors is an integer number (1415520).

Almost surely, 2^11009530 is an apocalyptic number.

11009530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11009530 is an abundant number, since it is smaller than the sum of its proper divisors (11638790).

11009530 is a wasteful number, since it uses less digits than its factorization.

11009530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157293.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 11009530 is about 3318.0611808705. The cubic root of 11009530 is about 222.4622163675.

Adding to 11009530 its reverse (3590011), we get a palindrome (14599541).

The spelling of 11009530 in words is "eleven million, nine thousand, five hundred thirty".