11530135 has 4 divisors (see below), whose sum is σ = 13836168. Its totient is φ = 9224104.

The previous prime is 11530133. The next prime is 11530157. The reversal of 11530135 is 53103511.

11530135 = T₂₇₇₁ + T₂₇₇₂ + T₂₇₇₃.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11530135 - 2¹ = 11530133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153009 + ... + 1153018.

It is an arithmetic number, because the mean of its divisors is an integer number (3459042).

Almost surely, 2^11530135 is an apocalyptic number.

11530135 is the 2773-rd centered triangular number.

11530135 is a deficient number, since it is larger than the sum of its proper divisors (2306033).

11530135 is an equidigital number, since it uses as much as digits as its factorization.

11530135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306032.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 11530135 is about 3395.6052479639. The cubic root of 11530135 is about 225.9148594634.

Adding to 11530135 its reverse (53103511), we get a palindrome (64633646).

The spelling of 11530135 in words is "eleven million, five hundred thirty thousand, one hundred thirty-five".