11445541 has 4 divisors (see below), whose sum is σ = 11814784. Its totient is φ = 11076300.

The previous prime is 11445529. The next prime is 11445557. The reversal of 11445541 is 14554411.

11445541 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, and also an emirpimes, since its reverse is a distinct semiprime: 14554411 = 277 ⋅52543.

It is not a de Polignac number, because 11445541 - 2¹¹ = 11443493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445521) 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, 184575 + ... + 184636.

It is an arithmetic number, because the mean of its divisors is an integer number (2953696).

Almost surely, 2^11445541 is an apocalyptic number.

It is an amenable number.

11445541 is a deficient number, since it is larger than the sum of its proper divisors (369243).

11445541 is an equidigital number, since it uses as much as digits as its factorization.

11445541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369242.

The product of its digits is 1600, while the sum is 25.

The square root of 11445541 is about 3383.1259213928. The cubic root of 11445541 is about 225.3610072936.

Adding to 11445541 its reverse (14554411), we get a palindrome (25999952).

The spelling of 11445541 in words is "eleven million, four hundred forty-five thousand, five hundred forty-one".