11043325920 has 768 divisors, whose sum is σ = 42639851520. Its totient is φ = 2372198400.

The previous prime is 11043325903. The next prime is 11043325981. The reversal of 11043325920 is 2952334011.

11043325920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 164825727 + ... + 164825793.

It is an arithmetic number, because the mean of its divisors is an integer number (55520640).

Almost surely, 2^11043325920 is an apocalyptic number.

11043325920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043325920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21319925760).

11043325920 is an abundant number, since it is smaller than the sum of its proper divisors (31596525600).

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

11043325920 is a wasteful number, since it uses less digits than its factorization.

11043325920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 11043325920 its reverse (2952334011), we get a palindrome (13995659931).

The spelling of 11043325920 in words is "eleven billion, forty-three million, three hundred twenty-five thousand, nine hundred twenty".