2011155333 has 32 divisors (see below), whose sum is σ = 2994001920. Its totient is φ = 1190916080.

The previous prime is 2011155317. The next prime is 2011155371. The reversal of 2011155333 is 3335511102.

It is not a de Polignac number, because 2011155333 - 2⁴ = 2011155317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011105333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3425866 + ... + 3426452.

It is an arithmetic number, because the mean of its divisors is an integer number (93562560).

Almost surely, 2^2011155333 is an apocalyptic number.

It is an amenable number.

2011155333 is a deficient number, since it is larger than the sum of its proper divisors (982846587).

2011155333 is an frugal number, since it uses more digits than its factorization.

2011155333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 2011155333 is about 44845.9065356026. The cubic root of 2011155333 is about 1262.2591813065.

Adding to 2011155333 its reverse (3335511102), we get a palindrome (5346666435).

The spelling of 2011155333 in words is "two billion, eleven million, one hundred fifty-five thousand, three hundred thirty-three".