2011235205 has 64 divisors (see below), whose sum is σ = 3807756288. Its totient is φ = 887086080.

The previous prime is 2011235179. The next prime is 2011235243. The reversal of 2011235205 is 5025321102.

It is not a de Polignac number, because 2011235205 - 2⁷ = 2011235077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1408702 + ... + 1410128.

It is an arithmetic number, because the mean of its divisors is an integer number (59496192).

Almost surely, 2^2011235205 is an apocalyptic number.

It is an amenable number.

2011235205 is a deficient number, since it is larger than the sum of its proper divisors (1796521083).

2011235205 is a wasteful number, since it uses less digits than its factorization.

2011235205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2011235205 is about 44846.7970428212. The cubic root of 2011235205 is about 1262.2758910768.

Adding to 2011235205 its reverse (5025321102), we get a palindrome (7036556307).

The spelling of 2011235205 in words is "two billion, eleven million, two hundred thirty-five thousand, two hundred five".