11001002320 has 160 divisors (see below), whose sum is σ = 32102516736. Its totient is φ = 3405888000.

The previous prime is 11001002291. The next prime is 11001002329. The reversal of 11001002320 is 2320010011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11001002297 and 11001002306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001002329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924247 + ... + 936073.

Almost surely, 2^11001002320 is an apocalyptic number.

11001002320 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 11001002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16051258368).

11001002320 is an abundant number, since it is smaller than the sum of its proper divisors (21101514416).

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

11001002320 is a wasteful number, since it uses less digits than its factorization.

11001002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12009 (or 12003 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 11001002320 its reverse (2320010011), we get a palindrome (13321012331).

The spelling of 11001002320 in words is "eleven billion, one million, two thousand, three hundred twenty".