98115911 has 4 divisors (see below), whose sum is σ = 100509024. Its totient is φ = 95722800.

The previous prime is 98115863. The next prime is 98115917. The reversal of 98115911 is 11951189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98115911 - 2²⁶ = 31007047 is a prime.

It is a super-3 number, since 3×98115911³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98115917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196495 + ... + 1196576.

It is an arithmetic number, because the mean of its divisors is an integer number (25127256).

Almost surely, 2^98115911 is an apocalyptic number.

98115911 is a deficient number, since it is larger than the sum of its proper divisors (2393113).

98115911 is a wasteful number, since it uses less digits than its factorization.

98115911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393112.

The product of its digits is 3240, while the sum is 35.

The square root of 98115911 is about 9905.3475961220. The cubic root of 98115911 is about 461.2253263927.

The spelling of 98115911 in words is "ninety-eight million, one hundred fifteen thousand, nine hundred eleven".