11530105 has 8 divisors (see below), whose sum is σ = 13854600. Its totient is φ = 9211776.

The previous prime is 11530091. The next prime is 11530117. The reversal of 11530105 is 50103511.

It can be written as a sum of positive squares in 4 ways, for example, as 5517801 + 6012304 = 2349^2 + 2452^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11530105 - 2⁹ = 11529593 is a prime.

It is a super-2 number, since 2×11530105² = 265886642622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (1731825).

Almost surely, 2^11530105 is an apocalyptic number.

It is an amenable number.

11530105 is a deficient number, since it is larger than the sum of its proper divisors (2324495).

11530105 is a wasteful number, since it uses less digits than its factorization.

11530105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 11530105 is about 3395.6008304864. The cubic root of 11530105 is about 225.9146635289.

Adding to 11530105 its reverse (50103511), we get a palindrome (61633616).

The spelling of 11530105 in words is "eleven million, five hundred thirty thousand, one hundred five".