111204503343 has 24 divisors (see below), whose sum is σ = 175345206400. Its totient is φ = 70234420248.

The previous prime is 111204503321. The next prime is 111204503357. The reversal of 111204503343 is 343305402111.

It is a happy number.

111204503343 is a `hidden beast` number, since 1 + 1 + 120 + 4 + 503 + 34 + 3 = 666.

It is not a de Polignac number, because 111204503343 - 2¹⁸ = 111204241199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111204504343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12038323 + ... + 12047556.

Almost surely, 2^111204503343 is an apocalyptic number.

111204503343 is a deficient number, since it is larger than the sum of its proper divisors (64140703057).

111204503343 is an equidigital number, since it uses as much as digits as its factorization.

111204503343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24085913 (or 24085901 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 111204503343 its reverse (343305402111), we get a palindrome (454509905454).

The spelling of 111204503343 in words is "one hundred eleven billion, two hundred four million, five hundred three thousand, three hundred forty-three".