999998881103 has 8 divisors (see below), whose sum is σ = 1009759334688. Its totient is φ = 990239422464.

The previous prime is 999998881099. The next prime is 999998881111. The reversal of 999998881103 is 301188899999.

It is a happy number.

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 999998881103 - 2² = 999998881099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999998881303) 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, 1857851 + ... + 2334867.

It is an arithmetic number, because the mean of its divisors is an integer number (126219916836).

Almost surely, 2^999998881103 is an apocalyptic number.

999998881103 is a deficient number, since it is larger than the sum of its proper divisors (9760453585).

999998881103 is a wasteful number, since it uses less digits than its factorization.

999998881103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497473.

The product of its (nonzero) digits is 90699264, while the sum is 74.

The spelling of 999998881103 in words is "nine hundred ninety-nine billion, nine hundred ninety-eight million, eight hundred eighty-one thousand, one hundred three".