11113145 has 4 divisors (see below), whose sum is σ = 13335780. Its totient is φ = 8890512.

The previous prime is 11113129. The next prime is 11113153. The reversal of 11113145 is 54131111.

11113145 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7376656 + 3736489 = 2716^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113145 - 2⁴ = 11113129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111310 + ... + 1111319.

It is an arithmetic number, because the mean of its divisors is an integer number (3333945).

Almost surely, 2^11113145 is an apocalyptic number.

It is an amenable number.

11113145 is a deficient number, since it is larger than the sum of its proper divisors (2222635).

11113145 is an equidigital number, since it uses as much as digits as its factorization.

11113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222634.

The product of its digits is 60, while the sum is 17.

The square root of 11113145 is about 3333.6384027066. The cubic root of 11113145 is about 223.1579313858.

Adding to 11113145 its reverse (54131111), we get a palindrome (65244256).

The spelling of 11113145 in words is "eleven million, one hundred thirteen thousand, one hundred forty-five".