2011031155233 has 32 divisors (see below), whose sum is σ = 3048547207680. Its totient is φ = 1309745773440.

The previous prime is 2011031155207. The next prime is 2011031155333. The reversal of 2011031155233 is 3325511301102.

2011031155233 is a `hidden beast` number, since 2 + 0 + 1 + 103 + 1 + 1 + 552 + 3 + 3 = 666.

It is not a de Polignac number, because 2011031155233 - 2⁶ = 2011031155169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2011031155197 and 2011031155206.

It is not an unprimeable number, because it can be changed into a prime (2011031155333) 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, 2682313 + ... + 3349158.

It is an arithmetic number, because the mean of its divisors is an integer number (95267100240).

Almost surely, 2^{2011031155233} is an apocalyptic number.

It is an amenable number.

2011031155233 is a deficient number, since it is larger than the sum of its proper divisors (1037516052447).

2011031155233 is a wasteful number, since it uses less digits than its factorization.

2011031155233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031766 (or 6031760 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 2011031155233 its reverse (3325511301102), we get a palindrome (5336542456335).

The spelling of 2011031155233 in words is "two trillion, eleven billion, thirty-one million, one hundred fifty-five thousand, two hundred thirty-three".