2011232005 has 16 divisors (see below), whose sum is σ = 2573847360. Its totient is φ = 1503436032.

The previous prime is 2011231997. The next prime is 2011232011. The reversal of 2011232005 is 5002321102.

It is a cyclic number.

It is not a de Polignac number, because 2011232005 - 2³ = 2011231997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011232005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73299 + ... + 96928.

It is an arithmetic number, because the mean of its divisors is an integer number (160865460).

Almost surely, 2^2011232005 is an apocalyptic number.

It is an amenable number.

2011232005 is a deficient number, since it is larger than the sum of its proper divisors (562615355).

2011232005 is a wasteful number, since it uses less digits than its factorization.

2011232005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170388.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2011232005 is about 44846.7613657887. The cubic root of 2011232005 is about 1262.2752216233.

Adding to 2011232005 its reverse (5002321102), we get a palindrome (7013553107).

The spelling of 2011232005 in words is "two billion, eleven million, two hundred thirty-two thousand, five".