111543041303 has 4 divisors (see below), whose sum is σ = 114263603328. Its totient is φ = 108822479280.

The previous prime is 111543041293. The next prime is 111543041333. The reversal of 111543041303 is 303140345111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111543041303 - 2⁸ = 111543041047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111543041333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360280951 + ... + 1360281032.

It is an arithmetic number, because the mean of its divisors is an integer number (28565900832).

Almost surely, 2^111543041303 is an apocalyptic number.

111543041303 is a deficient number, since it is larger than the sum of its proper divisors (2720562025).

111543041303 is an equidigital number, since it uses as much as digits as its factorization.

111543041303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720562024.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 111543041303 its reverse (303140345111), we get a palindrome (414683386414).

The spelling of 111543041303 in words is "one hundred eleven billion, five hundred forty-three million, forty-one thousand, three hundred three".