11111102343 has 56 divisors (see below), whose sum is σ = 18239371920. Its totient is φ = 6709599360.

The previous prime is 11111102323. The next prime is 11111102357. The reversal of 11111102343 is 34320111111.

It is a happy number.

It is not a de Polignac number, because 11111102343 - 2¹⁰ = 11111101319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111102323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2347203 + ... + 2351931.

It is an arithmetic number, because the mean of its divisors is an integer number (325703070).

Almost surely, 2^11111102343 is an apocalyptic number.

11111102343 is a deficient number, since it is larger than the sum of its proper divisors (7128269577).

11111102343 is an equidigital number, since it uses as much as digits as its factorization.

11111102343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051 (or 5036 counting only the distinct ones).

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

Adding to 11111102343 its reverse (34320111111), we get a palindrome (45431213454).

The spelling of 11111102343 in words is "eleven billion, one hundred eleven million, one hundred two thousand, three hundred forty-three".