2115130000 has 100 divisors (see below), whose sum is σ = 5286907648. Its totient is φ = 818640000.

The previous prime is 2115129997. The next prime is 2115130007. The reversal of 2115130000 is 315112.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (2115130007) 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 19 ways as a sum of consecutive naturals, for example, 306589 + ... + 313411.

Almost surely, 2^2115130000 is an apocalyptic number.

2115130000 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 2115130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643453824).

2115130000 is an abundant number, since it is smaller than the sum of its proper divisors (3171777648).

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

2115130000 is an equidigital number, since it uses as much as digits as its factorization.

2115130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882 (or 6861 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2115130000 is about 45990.5425060414. The cubic root of 2115130000 is about 1283.6472311747.

Adding to 2115130000 its reverse (315112), we get a palindrome (2115445112).

The spelling of 2115130000 in words is "two billion, one hundred fifteen million, one hundred thirty thousand".