111000999998 has 8 divisors (see below), whose sum is σ = 190287428592. Its totient is φ = 47571857136.

The previous prime is 111000999997. The next prime is 111001000001. The reversal of 111000999998 is 899999000111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000999997) 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 3 ways as a sum of consecutive naturals, for example, 3964321415 + ... + 3964321442.

It is an arithmetic number, because the mean of its divisors is an integer number (23785928574).

Almost surely, 2^111000999998 is an apocalyptic number.

111000999998 is a deficient number, since it is larger than the sum of its proper divisors (79286428594).

111000999998 is an equidigital number, since it uses as much as digits as its factorization.

111000999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928642866.

The product of its (nonzero) digits is 472392, while the sum is 56.

The spelling of 111000999998 in words is "one hundred eleven billion, nine hundred ninety-nine thousand, nine hundred ninety-eight".