11361021544 has 16 divisors (see below), whose sum is σ = 21402875520. Its totient is φ = 5653588080.

The previous prime is 11361021493. The next prime is 11361021547. The reversal of 11361021544 is 44512016311.

11361021544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11361021547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3363544 + ... + 3366919.

It is an arithmetic number, because the mean of its divisors is an integer number (1337679720).

Almost surely, 2^11361021544 is an apocalyptic number.

It is an amenable number.

11361021544 is a deficient number, since it is larger than the sum of its proper divisors (10041853976).

11361021544 is a wasteful number, since it uses less digits than its factorization.

11361021544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730680 (or 6730676 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 11361021544 its reverse (44512016311), we get a palindrome (55873037855).

The spelling of 11361021544 in words is "eleven billion, three hundred sixty-one million, twenty-one thousand, five hundred forty-four".