2013105555 has 24 divisors (see below), whose sum is σ = 3618621552. Its totient is φ = 1073655648.

The previous prime is 2013105539. The next prime is 2013105593. The reversal of 2013105555 is 5555013102.

2013105555 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 105 + 555 = 666.

It is not a de Polignac number, because 2013105555 - 2⁴ = 2013105539 is a prime.

It is a super-3 number, since 3×2013105555³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 827224 + ... + 829653.

It is an arithmetic number, because the mean of its divisors is an integer number (150775898).

Almost surely, 2^2013105555 is an apocalyptic number.

2013105555 is a deficient number, since it is larger than the sum of its proper divisors (1605515997).

2013105555 is an equidigital number, since it uses as much as digits as its factorization.

2013105555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656897 (or 1656885 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 2013105555 is about 44867.6448568453. The cubic root of 2013105555 is about 1262.6670547168.

Adding to 2013105555 its reverse (5555013102), we get a palindrome (7568118657).

The spelling of 2013105555 in words is "two billion, thirteen million, one hundred five thousand, five hundred fifty-five".