11113224145 has 8 divisors (see below), whose sum is σ = 13339123560. Its totient is φ = 8888409600.

The previous prime is 11113224121. The next prime is 11113224163. The reversal of 11113224145 is 54142231111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1108623616 + 10004600529 = 33296^2 + 100023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11113224145 - 2⁵ = 11113224113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248506 + ... + 289795.

It is an arithmetic number, because the mean of its divisors is an integer number (1667390445).

Almost surely, 2^11113224145 is an apocalyptic number.

It is an amenable number.

11113224145 is a deficient number, since it is larger than the sum of its proper divisors (2225899415).

11113224145 is an equidigital number, since it uses as much as digits as its factorization.

11113224145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542435.

The product of its digits is 960, while the sum is 25.

Adding to 11113224145 its reverse (54142231111), we get a palindrome (65255455256).

The spelling of 11113224145 in words is "eleven billion, one hundred thirteen million, two hundred twenty-four thousand, one hundred forty-five".