2151083105 has 4 divisors (see below), whose sum is σ = 2581299732. Its totient is φ = 1720866480.

The previous prime is 2151083101. The next prime is 2151083107. The reversal of 2151083105 is 5013801512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1214661904 + 936421201 = 34852^2 + 30601^2 .

It is not a de Polignac number, because 2151083105 - 2² = 2151083101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151083101) 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 3 ways as a sum of consecutive naturals, for example, 215108306 + ... + 215108315.

It is an arithmetic number, because the mean of its divisors is an integer number (645324933).

Almost surely, 2^2151083105 is an apocalyptic number.

It is an amenable number.

2151083105 is a deficient number, since it is larger than the sum of its proper divisors (430216627).

2151083105 is an equidigital number, since it uses as much as digits as its factorization.

2151083105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430216626.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 2151083105 is about 46379.7704284961. The cubic root of 2151083105 is about 1290.8795766029.

Adding to 2151083105 its reverse (5013801512), we get a palindrome (7164884617).

The spelling of 2151083105 in words is "two billion, one hundred fifty-one million, eighty-three thousand, one hundred five".