2151130000 has 100 divisors (see below), whose sum is σ = 5268797820. Its totient is φ = 850432000.

The previous prime is 2151129991. The next prime is 2151130001. The reversal of 2151130000 is 311512.

2151130000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 1369592064 + 781537936 = 37008^2 + 27956^2 .

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 (2151130001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 888792 + ... + 891208.

Almost surely, 2^2151130000 is an apocalyptic number.

2151130000 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 2151130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634398910).

2151130000 is an abundant number, since it is smaller than the sum of its proper divisors (3117667820).

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

2151130000 is an equidigital number, since it uses as much as digits as its factorization.

2151130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2513 counting only the distinct ones).

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

The square root of 2151130000 is about 46380.2759802052. The cubic root of 2151130000 is about 1290.8889572040. Note that the first 3 decimals are identical.

Adding to 2151130000 its reverse (311512), we get a palindrome (2151441512).

The spelling of 2151130000 in words is "two billion, one hundred fifty-one million, one hundred thirty thousand".