11101031243 has 8 divisors (see below), whose sum is σ = 11132107776. Its totient is φ = 11069980200.

The previous prime is 11101031239. The next prime is 11101031261. The reversal of 11101031243 is 34213010111.

11101031243 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 11101031243 - 2² = 11101031239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101031203) 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, 1146380 + ... + 1156022.

It is an arithmetic number, because the mean of its divisors is an integer number (1391513472).

Almost surely, 2^11101031243 is an apocalyptic number.

11101031243 is a deficient number, since it is larger than the sum of its proper divisors (31076533).

11101031243 is an equidigital number, since it uses as much as digits as its factorization.

11101031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12745.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11101031243 its reverse (34213010111), we get a palindrome (45314041354).

The spelling of 11101031243 in words is "eleven billion, one hundred one million, thirty-one thousand, two hundred forty-three".