2105442115 has 8 divisors (see below), whose sum is σ = 2887463520. Its totient is φ = 1443731712.

The previous prime is 2105442109. The next prime is 2105442121. The reversal of 2105442115 is 5112445012.

It is an interprime number because it is at equal distance from previous prime (2105442109) and next prime (2105442121).

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 2105442115 - 2⁹ = 2105441603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105442115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30077710 + ... + 30077779.

It is an arithmetic number, because the mean of its divisors is an integer number (360932940).

Almost surely, 2^2105442115 is an apocalyptic number.

2105442115 is a deficient number, since it is larger than the sum of its proper divisors (782021405).

2105442115 is an equidigital number, since it uses as much as digits as its factorization.

2105442115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60155501.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2105442115 is about 45885.0968725141. The cubic root of 2105442115 is about 1281.6844106491.

Adding to 2105442115 its reverse (5112445012), we get a palindrome (7217887127).

The spelling of 2105442115 in words is "two billion, one hundred five million, four hundred forty-two thousand, one hundred fifteen".