111664511103 has 8 divisors (see below), whose sum is σ = 150983001216. Its totient is φ = 73394514200.

The previous prime is 111664511099. The next prime is 111664511141. The reversal of 111664511103 is 301115466111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111664511103 - 2² = 111664511099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111664511603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262123053 + ... + 262123478.

It is an arithmetic number, because the mean of its divisors is an integer number (18872875152).

Almost surely, 2^111664511103 is an apocalyptic number.

111664511103 is a deficient number, since it is larger than the sum of its proper divisors (39318490113).

111664511103 is an equidigital number, since it uses as much as digits as its factorization.

111664511103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524246605.

The product of its (nonzero) digits is 2160, while the sum is 30.

Adding to 111664511103 its reverse (301115466111), we get a palindrome (412779977214).

The spelling of 111664511103 in words is "one hundred eleven billion, six hundred sixty-four million, five hundred eleven thousand, one hundred three".