11243354564 has 12 divisors (see below), whose sum is σ = 21189399084. Its totient is φ = 5189240544.

The previous prime is 11243354543. The next prime is 11243354581. The reversal of 11243354564 is 46545334211.

It can be written as a sum of positive squares in 2 ways, for example, as 4276113664 + 6967240900 = 65392^2 + 83470^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108109127 + ... + 108109230.

It is an arithmetic number, because the mean of its divisors is an integer number (1765783257).

Almost surely, 2^11243354564 is an apocalyptic number.

It is an amenable number.

11243354564 is a deficient number, since it is larger than the sum of its proper divisors (9946044520).

11243354564 is a wasteful number, since it uses less digits than its factorization.

11243354564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216218374 (or 216218372 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

Adding to 11243354564 its reverse (46545334211), we get a palindrome (57788688775).

The spelling of 11243354564 in words is "eleven billion, two hundred forty-three million, three hundred fifty-four thousand, five hundred sixty-four".