98109111 has 8 divisors (see below), whose sum is σ = 130927104. Its totient is φ = 65348600.

The previous prime is 98109107. The next prime is 98109127. The reversal of 98109111 is 11190189.

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 98109111 - 2² = 98109107 is a prime.

It is a super-2 number, since 2×98109111² = 19250795322420642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98109131) 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, 10215 + ... + 17336.

It is an arithmetic number, because the mean of its divisors is an integer number (16365888).

Almost surely, 2^98109111 is an apocalyptic number.

98109111 is a deficient number, since it is larger than the sum of its proper divisors (32817993).

98109111 is a wasteful number, since it uses less digits than its factorization.

98109111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28741.

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 98109111 is about 9905.0043412408. The cubic root of 98109111 is about 461.2146709525.

The spelling of 98109111 in words is "ninety-eight million, one hundred nine thousand, one hundred eleven".