11505141233 has 4 divisors (see below), whose sum is σ = 11749931520. Its totient is φ = 11260350948.

The previous prime is 11505141227. The next prime is 11505141251. The reversal of 11505141233 is 33214150511.

11505141233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11505141233 - 2⁶ = 11505141169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11505141293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122395073 + ... + 122395166.

It is an arithmetic number, because the mean of its divisors is an integer number (2937482880).

Almost surely, 2^11505141233 is an apocalyptic number.

It is an amenable number.

11505141233 is a deficient number, since it is larger than the sum of its proper divisors (244790287).

11505141233 is an equidigital number, since it uses as much as digits as its factorization.

11505141233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244790286.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11505141233 its reverse (33214150511), we get a palindrome (44719291744).

The spelling of 11505141233 in words is "eleven billion, five hundred five million, one hundred forty-one thousand, two hundred thirty-three".