11051243544 has 64 divisors (see below), whose sum is σ = 30173639040. Its totient is φ = 3345096960.

The previous prime is 11051243521. The next prime is 11051243549. The reversal of 11051243544 is 44534215011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051243549) 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 15 ways as a sum of consecutive naturals, for example, 216372 + ... + 262524.

It is an arithmetic number, because the mean of its divisors is an integer number (471463110).

Almost surely, 2^11051243544 is an apocalyptic number.

It is an amenable number.

11051243544 is an abundant number, since it is smaller than the sum of its proper divisors (19122395496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11051243544 is a wasteful number, since it uses less digits than its factorization.

11051243544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47080 (or 47076 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11051243544 its reverse (44534215011), we get a palindrome (55585458555).

The spelling of 11051243544 in words is "eleven billion, fifty-one million, two hundred forty-three thousand, five hundred forty-four".