2011443534233 has 16 divisors (see below), whose sum is σ = 2331279777024. Its totient is φ = 1699731371520.

The previous prime is 2011443534209. The next prime is 2011443534239. The reversal of 2011443534233 is 3324353441102.

It is not a de Polignac number, because 2011443534233 - 2¹² = 2011443530137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011443534193 and 2011443534202.

It is not an unprimeable number, because it can be changed into a prime (2011443534239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12012341 + ... + 12178637.

It is an arithmetic number, because the mean of its divisors is an integer number (145704986064).

Almost surely, 2^{2011443534233} is an apocalyptic number.

It is an amenable number.

2011443534233 is a deficient number, since it is larger than the sum of its proper divisors (319836242791).

2011443534233 is a wasteful number, since it uses less digits than its factorization.

2011443534233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190712.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 2011443534233 its reverse (3324353441102), we get a palindrome (5335796975335).

The spelling of 2011443534233 in words is "two trillion, eleven billion, four hundred forty-three million, five hundred thirty-four thousand, two hundred thirty-three".