2105530115 has 8 divisors (see below), whose sum is σ = 2720992848. Its totient is φ = 1554852960.

The previous prime is 2105530067. The next prime is 2105530127. The reversal of 2105530115 is 5110355012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2105530115 - 2¹⁰ = 2105529091 is a prime.

It is a Duffinian number.

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, 16196321 + ... + 16196450.

It is an arithmetic number, because the mean of its divisors is an integer number (340124106).

Almost surely, 2^2105530115 is an apocalyptic number.

2105530115 is a deficient number, since it is larger than the sum of its proper divisors (615462733).

2105530115 is a wasteful number, since it uses less digits than its factorization.

2105530115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32392789.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 2105530115 is about 45886.0557795067. The cubic root of 2105530115 is about 1281.7022670185.

Adding to 2105530115 its reverse (5110355012), we get a palindrome (7215885127).

The spelling of 2105530115 in words is "two billion, one hundred five million, five hundred thirty thousand, one hundred fifteen".