11103513 has 8 divisors (see below), whose sum is σ = 14860800. Its totient is φ = 7374288.

The previous prime is 11103509. The next prime is 11103527. The reversal of 11103513 is 31530111.

11103513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11103513 - 2² = 11103509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11103492 and 11103501.

It is not an unprimeable number, because it can be changed into a prime (11103583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6073 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (1857600).

Almost surely, 2^11103513 is an apocalyptic number.

It is an amenable number.

11103513 is a deficient number, since it is larger than the sum of its proper divisors (3757287).

11103513 is a wasteful number, since it uses less digits than its factorization.

11103513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031.

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

The square root of 11103513 is about 3332.1934217569. The cubic root of 11103513 is about 223.0934408361.

Adding to 11103513 its reverse (31530111), we get a palindrome (42633624).

The spelling of 11103513 in words is "eleven million, one hundred three thousand, five hundred thirteen".