11229378725 has 12 divisors (see below), whose sum is σ = 13926583716. Its totient is φ = 8982113280.

The previous prime is 11229378709. The next prime is 11229378731. The reversal of 11229378725 is 52787392211.

It is a happy number.

11229378725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 14145121 + 11215233604 = 3761^2 + 105902^2 .

It is not a de Polignac number, because 11229378725 - 2⁴ = 11229378709 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 11229378725.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 149189 + ... + 211461.

It is an arithmetic number, because the mean of its divisors is an integer number (1160548643).

Almost surely, 2^11229378725 is an apocalyptic number.

It is an amenable number.

11229378725 is a deficient number, since it is larger than the sum of its proper divisors (2697204991).

11229378725 is an equidigital number, since it uses as much as digits as its factorization.

11229378725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69496 (or 69491 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The spelling of 11229378725 in words is "eleven billion, two hundred twenty-nine million, three hundred seventy-eight thousand, seven hundred twenty-five".