2115200813 has 8 divisors (see below), whose sum is σ = 2308089600. Its totient is φ = 1922411680.

The previous prime is 2115200779. The next prime is 2115200837. The reversal of 2115200813 is 3180025112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2115200813 - 2⁶ = 2115200749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115200863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23588 + ... + 69186.

It is an arithmetic number, because the mean of its divisors is an integer number (288511200).

Almost surely, 2^2115200813 is an apocalyptic number.

It is an amenable number.

2115200813 is a deficient number, since it is larger than the sum of its proper divisors (192888787).

2115200813 is a wasteful number, since it uses less digits than its factorization.

2115200813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49827.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2115200813 is about 45991.3123644020. The cubic root of 2115200813 is about 1283.6615562039.

Adding to 2115200813 its reverse (3180025112), we get a palindrome (5295225925).

The spelling of 2115200813 in words is "two billion, one hundred fifteen million, two hundred thousand, eight hundred thirteen".