11052323440 has 20 divisors (see below), whose sum is σ = 25696652184. Its totient is φ = 4420929344.

The previous prime is 11052323419. The next prime is 11052323449. The reversal of 11052323440 is 4432325011.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11052323449) 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 3 ways as a sum of consecutive naturals, for example, 69076942 + ... + 69077101.

Almost surely, 2^11052323440 is an apocalyptic number.

11052323440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11052323440 is an abundant number, since it is smaller than the sum of its proper divisors (14644328744).

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

11052323440 is a wasteful number, since it uses less digits than its factorization.

11052323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138154056 (or 138154050 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 11052323440 its reverse (4432325011), we get a palindrome (15484648451).

The spelling of 11052323440 in words is "eleven billion, fifty-two million, three hundred twenty-three thousand, four hundred forty".