11415020320 has 96 divisors (see below), whose sum is σ = 29705719680. Its totient is φ = 4110551040.

The previous prime is 11415020299. The next prime is 11415020321. The reversal of 11415020320 is 2302051411.

It is not an unprimeable number, because it can be changed into a prime (11415020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149796 + ... + 212764.

It is an arithmetic number, because the mean of its divisors is an integer number (309434580).

Almost surely, 2^11415020320 is an apocalyptic number.

11415020320 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 11415020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14852859840).

11415020320 is an abundant number, since it is smaller than the sum of its proper divisors (18290699360).

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

11415020320 is a wasteful number, since it uses less digits than its factorization.

11415020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63098 (or 63090 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 11415020320 its reverse (2302051411), we get a palindrome (13717071731).

The spelling of 11415020320 in words is "eleven billion, four hundred fifteen million, twenty thousand, three hundred twenty".