98990110111 has 4 divisors (see below), whose sum is σ = 98990791552. Its totient is φ = 98989428672.

The previous prime is 98990110099. The next prime is 98990110123. The reversal of 98990110111 is 11101109989.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (98990110099) and next prime (98990110123).

It is a cyclic number.

It is not a de Polignac number, because 98990110111 - 2⁹ = 98990109599 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 (98990111111) 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, 25791 + ... + 445696.

It is an arithmetic number, because the mean of its divisors is an integer number (24747697888).

Almost surely, 2^98990110111 is an apocalyptic number.

98990110111 is a deficient number, since it is larger than the sum of its proper divisors (681441).

98990110111 is a wasteful number, since it uses less digits than its factorization.

98990110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681440.

The product of its (nonzero) digits is 5832, while the sum is 40.

The spelling of 98990110111 in words is "ninety-eight billion, nine hundred ninety million, one hundred ten thousand, one hundred eleven".