11505003226 has 4 divisors (see below), whose sum is σ = 17257504842. Its totient is φ = 5752501612.

The previous prime is 11505003217. The next prime is 11505003227. The reversal of 11505003226 is 62230050511.

11505003226 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 only one way, i.e., 7140419001 + 4364584225 = 84501^2 + 66065^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11505003226.

It is not an unprimeable number, because it can be changed into a prime (11505003227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2876250805 + ... + 2876250808.

Almost surely, 2^11505003226 is an apocalyptic number.

11505003226 is a deficient number, since it is larger than the sum of its proper divisors (5752501616).

11505003226 is an equidigital number, since it uses as much as digits as its factorization.

11505003226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752501615.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11505003226 its reverse (62230050511), we get a palindrome (73735053737).

The spelling of 11505003226 in words is "eleven billion, five hundred five million, three thousand, two hundred twenty-six".