11243225547 has 32 divisors (see below), whose sum is σ = 17555616000. Its totient is φ = 7091945280.

The previous prime is 11243225537. The next prime is 11243225549. The reversal of 11243225547 is 74552234211.

It is not a de Polignac number, because 11243225547 - 2¹⁰ = 11243224523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11243225549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401472 + ... + 428562.

It is an arithmetic number, because the mean of its divisors is an integer number (548613000).

Almost surely, 2^11243225547 is an apocalyptic number.

11243225547 is a deficient number, since it is larger than the sum of its proper divisors (6312390453).

11243225547 is a wasteful number, since it uses less digits than its factorization.

11243225547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27928 (or 27922 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

Adding to 11243225547 its reverse (74552234211), we get a palindrome (85795459758).

The spelling of 11243225547 in words is "eleven billion, two hundred forty-three million, two hundred twenty-five thousand, five hundred forty-seven".