11155222325 has 24 divisors (see below), whose sum is σ = 15242961888. Its totient is φ = 8046118080.

The previous prime is 11155222321. The next prime is 11155222349. The reversal of 11155222325 is 52322255111.

It is a happy number.

It is not a de Polignac number, because 11155222325 - 2² = 11155222321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155222321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385139 + ... + 413088.

It is an arithmetic number, because the mean of its divisors is an integer number (635123412).

Almost surely, 2^11155222325 is an apocalyptic number.

It is an amenable number.

11155222325 is a deficient number, since it is larger than the sum of its proper divisors (4087739563).

11155222325 is a wasteful number, since it uses less digits than its factorization.

11155222325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798293 (or 798288 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

Adding to 11155222325 its reverse (52322255111), we get a palindrome (63477477436).

The spelling of 11155222325 in words is "eleven billion, one hundred fifty-five million, two hundred twenty-two thousand, three hundred twenty-five".