11130513 has 4 divisors (see below), whose sum is σ = 14840688. Its totient is φ = 7420340.

The previous prime is 11130473. The next prime is 11130517. The reversal of 11130513 is 31503111.

11130513 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: 31503111 = 3 ⋅10501037.

It is a cyclic number.

It is not a de Polignac number, because 11130513 - 2⁹ = 11130001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11130492 and 11130501.

It is not an unprimeable number, because it can be changed into a prime (11130517) 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, 1855083 + ... + 1855088.

It is an arithmetic number, because the mean of its divisors is an integer number (3710172).

Almost surely, 2^11130513 is an apocalyptic number.

It is an amenable number.

11130513 is a deficient number, since it is larger than the sum of its proper divisors (3710175).

11130513 is an equidigital number, since it uses as much as digits as its factorization.

11130513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710174.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 11130513 is about 3336.2423473123. The cubic root of 11130513 is about 223.2741238054.

Adding to 11130513 its reverse (31503111), we get a palindrome (42633624).

The spelling of 11130513 in words is "eleven million, one hundred thirty thousand, five hundred thirteen".