11224023505 has 4 divisors (see below), whose sum is σ = 13468828212. Its totient is φ = 8979218800.

The previous prime is 11224023479. The next prime is 11224023521. The reversal of 11224023505 is 50532042211.

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 5429921344 + 5794102161 = 73688^2 + 76119^2 .

It is not a de Polignac number, because 11224023505 - 2⁹ = 11224022993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11224023505.

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, 1122402346 + ... + 1122402355.

It is an arithmetic number, because the mean of its divisors is an integer number (3367207053).

Almost surely, 2^11224023505 is an apocalyptic number.

It is an amenable number.

11224023505 is a deficient number, since it is larger than the sum of its proper divisors (2244804707).

11224023505 is an equidigital number, since it uses as much as digits as its factorization.

11224023505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244804706.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 11224023505 its reverse (50532042211), we get a palindrome (61756065716).

The spelling of 11224023505 in words is "eleven billion, two hundred twenty-four million, twenty-three thousand, five hundred five".