11125603 has 4 divisors (see below), whose sum is σ = 11132280. Its totient is φ = 11118928.

The previous prime is 11125553. The next prime is 11125613. The reversal of 11125603 is 30652111.

11125603 is digitally balanced in base 2 and base 3, because in such bases 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 brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11125603 - 2⁹ = 11125091 is a prime.

It is a super-2 number, since 2×11125603² = 247558084227218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125613) 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, 1476 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (2783070).

Almost surely, 2^11125603 is an apocalyptic number.

11125603 is a deficient number, since it is larger than the sum of its proper divisors (6677).

11125603 is an equidigital number, since it uses as much as digits as its factorization.

11125603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11125603 is about 3335.5064083284. The cubic root of 11125603 is about 223.2412880266.

Adding to 11125603 its reverse (30652111), we get a palindrome (41777714).

The spelling of 11125603 in words is "eleven million, one hundred twenty-five thousand, six hundred three".