11154140243 has 8 divisors (see below), whose sum is σ = 11219050128. Its totient is φ = 11089419264.

The previous prime is 11154140201. The next prime is 11154140267. The reversal of 11154140243 is 34204145111.

11154140243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11154140243 - 2¹⁰ = 11154139219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11154143243) 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 7 ways as a sum of consecutive naturals, for example, 72080 + ... + 165842.

It is an arithmetic number, because the mean of its divisors is an integer number (1402381266).

Almost surely, 2^11154140243 is an apocalyptic number.

11154140243 is a deficient number, since it is larger than the sum of its proper divisors (64909885).

11154140243 is an equidigital number, since it uses as much as digits as its factorization.

11154140243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94453.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11154140243 its reverse (34204145111), we get a palindrome (45358285354).

The spelling of 11154140243 in words is "eleven billion, one hundred fifty-four million, one hundred forty thousand, two hundred forty-three".