11201103543 has 8 divisors (see below), whose sum is σ = 17068348288. Its totient is φ = 6400630584.

The previous prime is 11201103541. The next prime is 11201103547. The reversal of 11201103543 is 34530110211.

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

It is not a de Polignac number, because 11201103543 - 2¹ = 11201103541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 533385883 = 11201103543 / (1 + 1 + 2 + 0 + 1 + 1 + 0 + 3 + 5 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201103541) 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 7 ways as a sum of consecutive naturals, for example, 266692921 + ... + 266692962.

It is an arithmetic number, because the mean of its divisors is an integer number (2133543536).

Almost surely, 2^11201103543 is an apocalyptic number.

11201103543 is a deficient number, since it is larger than the sum of its proper divisors (5867244745).

11201103543 is an equidigital number, since it uses as much as digits as its factorization.

11201103543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533385893.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11201103543 its reverse (34530110211), we get a palindrome (45731213754).

The spelling of 11201103543 in words is "eleven billion, two hundred one million, one hundred three thousand, five hundred forty-three".