111563411123 has 8 divisors (see below), whose sum is σ = 112726735968. Its totient is φ = 110400355584.

The previous prime is 111563411053. The next prime is 111563411131. The reversal of 111563411123 is 321114365111.

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 111563411123 - 2¹⁸ = 111563148979 is a prime.

It is a super-2 number, since 2×111563411123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111563411923) 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, 827090 + ... + 952472.

It is an arithmetic number, because the mean of its divisors is an integer number (14090841996).

Almost surely, 2^111563411123 is an apocalyptic number.

111563411123 is a deficient number, since it is larger than the sum of its proper divisors (1163324845).

111563411123 is an equidigital number, since it uses as much as digits as its factorization.

111563411123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134653.

The product of its digits is 2160, while the sum is 29.

Adding to 111563411123 its reverse (321114365111), we get a palindrome (432677776234).

The spelling of 111563411123 in words is "one hundred eleven billion, five hundred sixty-three million, four hundred eleven thousand, one hundred twenty-three".