11001231130000 has 100 divisors (see below), whose sum is σ = 26734102395660. Its totient is φ = 4384132672000.

The previous prime is 11001231129953. The next prime is 11001231130013. The reversal of 11001231130000 is 3113210011.

It can be written as a sum of positive squares in 10 ways, for example, as 10995962112256 + 5269017744 = 3316016^2 + 72588^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 645162 + ... + 4734838.

Almost surely, 2^{11001231130000} is an apocalyptic number.

11001231130000 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 11001231130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13367051197830).

11001231130000 is an abundant number, since it is smaller than the sum of its proper divisors (15732871265660).

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

11001231130000 is an equidigital number, since it uses as much as digits as its factorization.

11001231130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089974 (or 4089953 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11001231130000 its reverse (3113210011), we get a palindrome (11004344340011).

The spelling of 11001231130000 in words is "eleven trillion, one billion, two hundred thirty-one million, one hundred thirty thousand".