12433111011 has 8 divisors (see below), whose sum is σ = 18419423760. Its totient is φ = 8288740656.

The previous prime is 12433110983. The next prime is 12433111013. The reversal of 12433111011 is 11011133421.

It is a happy number.

It is not a de Polignac number, because 12433111011 - 2¹³ = 12433102819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12433111013) 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, 230242770 + ... + 230242823.

It is an arithmetic number, because the mean of its divisors is an integer number (2302427970).

Almost surely, 2^12433111011 is an apocalyptic number.

12433111011 is a deficient number, since it is larger than the sum of its proper divisors (5986312749).

12433111011 is an equidigital number, since it uses as much as digits as its factorization.

12433111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460485602 (or 460485596 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12433111011 its reverse (11011133421), we get a palindrome (23444244432).

The spelling of 12433111011 in words is "twelve billion, four hundred thirty-three million, one hundred eleven thousand, eleven".