11105103543 has 8 divisors (see below), whose sum is σ = 14807309808. Its totient is φ = 7403149824.

The previous prime is 11105103523. The next prime is 11105103551. The reversal of 11105103543 is 34530150111.

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

It is not a de Polignac number, because 11105103543 - 2¹⁴ = 11105087159 is a prime.

It is a super-3 number, since 3×11105103543³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105103523) 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, 98821 + ... + 178817.

It is an arithmetic number, because the mean of its divisors is an integer number (1850913726).

Almost surely, 2^11105103543 is an apocalyptic number.

11105103543 is a deficient number, since it is larger than the sum of its proper divisors (3702206265).

11105103543 is an equidigital number, since it uses as much as digits as its factorization.

11105103543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126273.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 11105103543 its reverse (34530150111), we get a palindrome (45635253654).

The spelling of 11105103543 in words is "eleven billion, one hundred five million, one hundred three thousand, five hundred forty-three".