111353613605 has 64 divisors (see below), whose sum is σ = 155094621696. Its totient is φ = 76016640000.

The previous prime is 111353613599. The next prime is 111353613607. The reversal of 111353613605 is 506316353111.

It is not a de Polignac number, because 111353613605 - 2⁶ = 111353613541 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 (111353613607) 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 63 ways as a sum of consecutive naturals, for example, 22043330 + ... + 22048380.

It is an arithmetic number, because the mean of its divisors is an integer number (2423353464).

Almost surely, 2^111353613605 is an apocalyptic number.

It is an amenable number.

111353613605 is a deficient number, since it is larger than the sum of its proper divisors (43741008091).

111353613605 is a wasteful number, since it uses less digits than its factorization.

111353613605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438.

The product of its (nonzero) digits is 24300, while the sum is 35.

Adding to 111353613605 its reverse (506316353111), we get a palindrome (617669966716).

The spelling of 111353613605 in words is "one hundred eleven billion, three hundred fifty-three million, six hundred thirteen thousand, six hundred five".