11543334225 has 24 divisors (see below), whose sum is σ = 19098420480. Its totient is φ = 6152109120.

The previous prime is 11543334223. The next prime is 11543334239. The reversal of 11543334225 is 52243334511.

It is not a de Polignac number, because 11543334225 - 2¹ = 11543334223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11543334223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54447 + ... + 161403.

It is an arithmetic number, because the mean of its divisors is an integer number (795767520).

Almost surely, 2^11543334225 is an apocalyptic number.

11543334225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11543334225 is a deficient number, since it is larger than the sum of its proper divisors (7555086255).

11543334225 is a wasteful number, since it uses less digits than its factorization.

11543334225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108409 (or 108404 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

Adding to 11543334225 its reverse (52243334511), we get a palindrome (63786668736).

The spelling of 11543334225 in words is "eleven billion, five hundred forty-three million, three hundred thirty-four thousand, two hundred twenty-five".