111224161353 has 4 divisors (see below), whose sum is σ = 148298881808. Its totient is φ = 74149440900.

The previous prime is 111224161339. The next prime is 111224161357. The reversal of 111224161353 is 353161422111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111224161353 - 2⁴ = 111224161337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111224161353.

It is not an unprimeable number, because it can be changed into a prime (111224161357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18537360223 + ... + 18537360228.

It is an arithmetic number, because the mean of its divisors is an integer number (37074720452).

Almost surely, 2^111224161353 is an apocalyptic number.

It is an amenable number.

111224161353 is a deficient number, since it is larger than the sum of its proper divisors (37074720455).

111224161353 is an equidigital number, since it uses as much as digits as its factorization.

111224161353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37074720454.

The product of its digits is 4320, while the sum is 30.

Adding to 111224161353 its reverse (353161422111), we get a palindrome (464385583464).

The spelling of 111224161353 in words is "one hundred eleven billion, two hundred twenty-four million, one hundred sixty-one thousand, three hundred fifty-three".