2133155120 has 20 divisors (see below), whose sum is σ = 4959585840. Its totient is φ = 853262016.

The previous prime is 2133155107. The next prime is 2133155161. The reversal of 2133155120 is 215513312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13332140 + ... + 13332299.

It is an arithmetic number, because the mean of its divisors is an integer number (247979292).

Almost surely, 2^2133155120 is an apocalyptic number.

2133155120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133155120 is an abundant number, since it is smaller than the sum of its proper divisors (2826430720).

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

2133155120 is a wasteful number, since it uses less digits than its factorization.

2133155120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26664452 (or 26664446 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2133155120 is about 46186.0922789534. The cubic root of 2133155120 is about 1287.2833320006.

Adding to 2133155120 its reverse (215513312), we get a palindrome (2348668432).

The spelling of 2133155120 in words is "two billion, one hundred thirty-three million, one hundred fifty-five thousand, one hundred twenty".