2011533203 has 8 divisors (see below), whose sum is σ = 2025074688. Its totient is φ = 1998009864.

The previous prime is 2011533191. The next prime is 2011533217. The reversal of 2011533203 is 3023351102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011533203 - 2⁴ = 2011533187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011533253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274100 + ... + 281342.

It is an arithmetic number, because the mean of its divisors is an integer number (253134336).

Almost surely, 2^2011533203 is an apocalyptic number.

2011533203 is a deficient number, since it is larger than the sum of its proper divisors (13541485).

2011533203 is a wasteful number, since it uses less digits than its factorization.

2011533203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2011533203 is about 44850.1193197967. The cubic root of 2011533203 is about 1262.3382303984.

Adding to 2011533203 its reverse (3023351102), we get a palindrome (5034884305).

The spelling of 2011533203 in words is "two billion, eleven million, five hundred thirty-three thousand, two hundred three".