11355459844 has 9 divisors (see below), whose sum is σ = 19872427701. Its totient is φ = 5677623360.

The previous prime is 11355459833. The next prime is 11355459847. The reversal of 11355459844 is 44895455311.

The square root of 11355459844 is 106562.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6136842244 + 5218617600 = 78338^2 + 72240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11355459847) 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 2 ways as a sum of consecutive naturals, for example, 186484 + ... + 239764.

Almost surely, 2^11355459844 is an apocalyptic number.

11355459844 is the 106562-nd square number.

It is an amenable number.

11355459844 is a deficient number, since it is larger than the sum of its proper divisors (8516967857).

11355459844 is an frugal number, since it uses more digits than its factorization.

11355459844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106566 (or 53283 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 49.

Multiplying 11355459844 by its sum of digits (49), we get a square (556417532356 = 745934²).

The spelling of 11355459844 in words is "eleven billion, three hundred fifty-five million, four hundred fifty-nine thousand, eight hundred forty-four".