2013115500 has 288 divisors, whose sum is σ = 7043033088. Its totient is φ = 479952000.

The previous prime is 2013115471. The next prime is 2013115513. The reversal of 2013115500 is 55113102.

2013115500 is a `hidden beast` number, since 20 + 131 + 15 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3316197 + ... + 3316803.

It is an arithmetic number, because the mean of its divisors is an integer number (24454976).

Almost surely, 2^2013115500 is an apocalyptic number.

2013115500 is a gapful number since it is divisible by the number (20) 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 2013115500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3521516544).

2013115500 is an abundant number, since it is smaller than the sum of its proper divisors (5029917588).

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

2013115500 is a wasteful number, since it uses less digits than its factorization.

2013115500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 2013115500 is about 44867.7556826726. The cubic root of 2013115500 is about 1262.6691339592.

Adding to 2013115500 its reverse (55113102), we get a palindrome (2068228602).

The spelling of 2013115500 in words is "two billion, thirteen million, one hundred fifteen thousand, five hundred".