11103601 has 4 divisors (see below), whose sum is σ = 11756772. Its totient is φ = 10450432.

The previous prime is 11103583. The next prime is 11103613. The reversal of 11103601 is 10630111.

It is a happy number.

11103601 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 10630111 = 41 ⋅259271.

It can be written as a sum of positive squares in 2 ways, for example, as 10336225 + 767376 = 3215^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103601 - 2⁵ = 11103569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326560 + ... + 326593.

It is an arithmetic number, because the mean of its divisors is an integer number (2939193).

Almost surely, 2^11103601 is an apocalyptic number.

It is an amenable number.

11103601 is a deficient number, since it is larger than the sum of its proper divisors (653171).

11103601 is an equidigital number, since it uses as much as digits as its factorization.

11103601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653170.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 11103601 is about 3332.2066262463. The cubic root of 11103601 is about 223.0940302043.

Adding to 11103601 its reverse (10630111), we get a palindrome (21733712).

The spelling of 11103601 in words is "eleven million, one hundred three thousand, six hundred one".