11156141233 has 4 divisors (see below), whose sum is σ = 11171876980. Its totient is φ = 11140405488.

The previous prime is 11156141071. The next prime is 11156141263. The reversal of 11156141233 is 33214165111.

11156141233 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 an emirpimes, since its reverse is a distinct semiprime: 33214165111 = 31 ⋅1071424681.

It can be written as a sum of positive squares in 2 ways, for example, as 4998914209 + 6157227024 = 70703^2 + 78468^2 .

It is a cyclic number.

It is not a de Polignac number, because 11156141233 - 2¹³ = 11156133041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11156141263) 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, 7866810 + ... + 7868227.

It is an arithmetic number, because the mean of its divisors is an integer number (2792969245).

Almost surely, 2^11156141233 is an apocalyptic number.

It is an amenable number.

11156141233 is a deficient number, since it is larger than the sum of its proper divisors (15735747).

11156141233 is an equidigital number, since it uses as much as digits as its factorization.

11156141233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15735746.

The product of its digits is 2160, while the sum is 28.

The spelling of 11156141233 in words is "eleven billion, one hundred fifty-six million, one hundred forty-one thousand, two hundred thirty-three".