11103457 has 4 divisors (see below), whose sum is σ = 11586240. Its totient is φ = 10620676.

The previous prime is 11103437. The next prime is 11103461. The reversal of 11103457 is 75430111.

11103457 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11103457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103427) 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, 241357 + ... + 241402.

It is an arithmetic number, because the mean of its divisors is an integer number (2896560).

Almost surely, 2^11103457 is an apocalyptic number.

It is an amenable number.

11103457 is a deficient number, since it is larger than the sum of its proper divisors (482783).

11103457 is an equidigital number, since it uses as much as digits as its factorization.

11103457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482782.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 11103457 is about 3332.1850188728. The cubic root of 11103457 is about 223.0930657820.

Adding to 11103457 its reverse (75430111), we get a palindrome (86533568).

The spelling of 11103457 in words is "eleven million, one hundred three thousand, four hundred fifty-seven".