11023320064 has 99 divisors (see below), whose sum is σ = 23530267047. Its totient is φ = 5160566784.

The previous prime is 11023320043. The next prime is 11023320067. The reversal of 11023320064 is 46002332011.

The square root of 11023320064 is 104992.

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

It can be written as a sum of positive squares in 4 ways, for example, as 6718464 + 11016601600 = 2592^2 + 104960^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023320067) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57115552 + ... + 57115744.

Almost surely, 2^11023320064 is an apocalyptic number.

11023320064 is the 104992-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11023320064

11023320064 is an abundant number, since it is smaller than the sum of its proper divisors (12506946983).

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

11023320064 is an frugal number, since it uses more digits than its factorization.

11023320064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11023320064 its reverse (46002332011), we get a palindrome (57025652075).

The spelling of 11023320064 in words is "eleven billion, twenty-three million, three hundred twenty thousand, sixty-four".