111848889 has 4 divisors (see below), whose sum is σ = 149131856. Its totient is φ = 74565924.

The previous prime is 111848873. The next prime is 111848909. The reversal of 111848889 is 988848111.

It is a happy number.

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 111848889 - 2⁴ = 111848873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111848809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18641479 + ... + 18641484.

It is an arithmetic number, because the mean of its divisors is an integer number (37282964).

Almost surely, 2^111848889 is an apocalyptic number.

It is an amenable number.

111848889 is a deficient number, since it is larger than the sum of its proper divisors (37282967).

111848889 is an equidigital number, since it uses as much as digits as its factorization.

111848889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37282966.

The product of its digits is 147456, while the sum is 48.

The square root of 111848889 is about 10575.8635108439. The cubic root of 111848889 is about 481.8115701424.

The spelling of 111848889 in words is "one hundred eleven million, eight hundred forty-eight thousand, eight hundred eighty-nine".