11501620120 has 128 divisors (see below), whose sum is σ = 28048083840. Its totient is φ = 4233461760.

The previous prime is 11501620073. The next prime is 11501620129. The reversal of 11501620120 is 2102610511.

11501620120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11501620129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2751472 + ... + 2755648.

It is an arithmetic number, because the mean of its divisors is an integer number (219125655).

Almost surely, 2^11501620120 is an apocalyptic number.

11501620120 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 11501620120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14024041920).

11501620120 is an abundant number, since it is smaller than the sum of its proper divisors (16546463720).

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

11501620120 is a wasteful number, since it uses less digits than its factorization.

11501620120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325 (or 4321 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The spelling of 11501620120 in words is "eleven billion, five hundred one million, six hundred twenty thousand, one hundred twenty".