2555320105 has 16 divisors (see below), whose sum is σ = 3347502480. Its totient is φ = 1861152768.

The previous prime is 2555320093. The next prime is 2555320109. The reversal of 2555320105 is 5010235552.

It can be written as a sum of positive squares in 8 ways, for example, as 1432809 + 2553887296 = 1197^2 + 50536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555320105 - 2⁹ = 2555319593 is a prime.

It is a super-2 number, since 2×2555320105² = 13059321678034422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2555320109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264520 + ... + 274009.

It is an arithmetic number, because the mean of its divisors is an integer number (209218905).

Almost surely, 2^2555320105 is an apocalyptic number.

It is an amenable number.

2555320105 is a deficient number, since it is larger than the sum of its proper divisors (792182375).

2555320105 is a wasteful number, since it uses less digits than its factorization.

2555320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538620.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2555320105 is about 50550.1741342203. The cubic root of 2555320105 is about 1367.1466542934.

Adding to 2555320105 its reverse (5010235552), we get a palindrome (7565555657).

The spelling of 2555320105 in words is "two billion, five hundred fifty-five million, three hundred twenty thousand, one hundred five".