111234467889 has 8 divisors (see below), whose sum is σ = 164791804320. Its totient is φ = 74156311908.

The previous prime is 111234467857. The next prime is 111234467917. The reversal of 111234467889 is 988764432111.

111234467889 is a `hidden beast` number, since 1 + 1 + 123 + 446 + 78 + 8 + 9 = 666.

It is not a de Polignac number, because 111234467889 - 2⁵ = 111234467857 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111234467389) 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 7 ways as a sum of consecutive naturals, for example, 2059897527 + ... + 2059897580.

It is an arithmetic number, because the mean of its divisors is an integer number (20598975540).

Almost surely, 2^111234467889 is an apocalyptic number.

It is an amenable number.

111234467889 is a deficient number, since it is larger than the sum of its proper divisors (53557336431).

111234467889 is an equidigital number, since it uses as much as digits as its factorization.

111234467889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119795116 (or 4119795110 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 111234467889 in words is "one hundred eleven billion, two hundred thirty-four million, four hundred sixty-seven thousand, eight hundred eighty-nine".