111553103343 has 16 divisors (see below), whose sum is σ = 166644441216. Its totient is φ = 65780699040.

The previous prime is 111553103279. The next prime is 111553103351. The reversal of 111553103343 is 343301355111.

It is not a de Polignac number, because 111553103343 - 2⁶ = 111553103279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111553103343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111553103243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45679821 + ... + 45682262.

It is an arithmetic number, because the mean of its divisors is an integer number (10415277576).

Almost surely, 2^111553103343 is an apocalyptic number.

111553103343 is a deficient number, since it is larger than the sum of its proper divisors (55091337873).

111553103343 is a wasteful number, since it uses less digits than its factorization.

111553103343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91362134.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 111553103343 its reverse (343301355111), we get a palindrome (454854458454).

The spelling of 111553103343 in words is "one hundred eleven billion, five hundred fifty-three million, one hundred three thousand, three hundred forty-three".