2105012255 has 8 divisors (see below), whose sum is σ = 2540127600. Its totient is φ = 1674601216.

The previous prime is 2105012243. The next prime is 2105012257. The reversal of 2105012255 is 5522105012.

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 2105012255 - 2²⁰ = 2103963679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105012255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105012257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175090 + ... + 1176879.

It is an arithmetic number, because the mean of its divisors is an integer number (317515950).

Almost surely, 2^2105012255 is an apocalyptic number.

2105012255 is a deficient number, since it is larger than the sum of its proper divisors (435115345).

2105012255 is a wasteful number, since it uses less digits than its factorization.

2105012255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352153.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 2105012255 is about 45880.4125417372. The cubic root of 2105012255 is about 1281.5971791905.

Adding to 2105012255 its reverse (5522105012), we get a palindrome (7627117267).

The spelling of 2105012255 in words is "two billion, one hundred five million, twelve thousand, two hundred fifty-five".