9985532111 has 8 divisors (see below), whose sum is σ = 10223076864. Its totient is φ = 9748229400.

The previous prime is 9985532107. The next prime is 9985532153. The reversal of 9985532111 is 1112355899.

9985532111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9985532111 - 2² = 9985532107 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985532101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24380 + ... + 143406.

It is an arithmetic number, because the mean of its divisors is an integer number (1277884608).

Almost surely, 2^9985532111 is an apocalyptic number.

9985532111 is a deficient number, since it is larger than the sum of its proper divisors (237544753).

9985532111 is a wasteful number, since it uses less digits than its factorization.

9985532111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121021.

The product of its digits is 97200, while the sum is 44.

The square root of 9985532111 is about 99927.6343710788. The cubic root of 9985532111 is about 2153.3951844905.

The spelling of 9985532111 in words is "nine billion, nine hundred eighty-five million, five hundred thirty-two thousand, one hundred eleven".