11135513 has 4 divisors (see below), whose sum is σ = 11149008. Its totient is φ = 11122020.

The previous prime is 11135471. The next prime is 11135567. The reversal of 11135513 is 31553111.

11135513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31553111 = 151 ⋅208961.

It is a cyclic number.

It is not a de Polignac number, because 11135513 - 2¹⁰ = 11134489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11135213) 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, 5423 + ... + 7188.

It is an arithmetic number, because the mean of its divisors is an integer number (2787252).

Almost surely, 2^11135513 is an apocalyptic number.

It is an amenable number.

11135513 is a deficient number, since it is larger than the sum of its proper divisors (13495).

11135513 is an equidigital number, since it uses as much as digits as its factorization.

11135513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494.

The product of its digits is 225, while the sum is 20.

The square root of 11135513 is about 3336.9916092193. The cubic root of 11135513 is about 223.3075515398.

Adding to 11135513 its reverse (31553111), we get a palindrome (42688624).

The spelling of 11135513 in words is "eleven million, one hundred thirty-five thousand, five hundred thirteen".