2115810006 has 8 divisors (see below), whose sum is σ = 4231620024. Its totient is φ = 705270000.

The previous prime is 2115810001. The next prime is 2115810041. The reversal of 2115810006 is 6000185112.

It is a sphenic number, since it is the product of 3 distinct primes.

2115810006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115810001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176317495 + ... + 176317506.

It is an arithmetic number, because the mean of its divisors is an integer number (528952503).

Almost surely, 2^2115810006 is an apocalyptic number.

2115810006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2115810006 is a wasteful number, since it uses less digits than its factorization.

2115810006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352635006.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 2115810006 is about 45997.9348014669. The cubic root of 2115810006 is about 1283.7847789523.

Adding to 2115810006 its reverse (6000185112), we get a palindrome (8115995118).

The spelling of 2115810006 in words is "two billion, one hundred fifteen million, eight hundred ten thousand, six".