11133513 has 6 divisors (see below), whose sum is σ = 16081754. Its totient is φ = 7422336.

The previous prime is 11133481. The next prime is 11133539. The reversal of 11133513 is 31533111.

It can be written as a sum of positive squares in only one way, i.e., 10575504 + 558009 = 3252^2 + 747^2 .

It is not a de Polignac number, because 11133513 - 2⁵ = 11133481 is a prime.

It is a super-2 number, since 2×11133513² = 247910223442338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618520 + ... + 618537.

Almost surely, 2^11133513 is an apocalyptic number.

It is an amenable number.

11133513 is a deficient number, since it is larger than the sum of its proper divisors (4948241).

11133513 is a wasteful number, since it uses less digits than its factorization.

11133513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237063 (or 1237060 counting only the distinct ones).

The product of its digits is 135, while the sum is 18.

The square root of 11133513 is about 3336.6919246463. The cubic root of 11133513 is about 223.2941816471.

Adding to 11133513 its reverse (31533111), we get a palindrome (42666624).

The spelling of 11133513 in words is "eleven million, one hundred thirty-three thousand, five hundred thirteen".