9990534111 has 8 divisors (see below), whose sum is σ = 13387651200. Its totient is φ = 6626886552.

The previous prime is 9990534107. The next prime is 9990534149. The reversal of 9990534111 is 1114350999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9990534111 - 2² = 9990534107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990534161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8366685 + ... + 8367878.

It is an arithmetic number, because the mean of its divisors is an integer number (1673456400).

Almost surely, 2^9990534111 is an apocalyptic number.

9990534111 is a deficient number, since it is larger than the sum of its proper divisors (3397117089).

9990534111 is a wasteful number, since it uses less digits than its factorization.

9990534111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16734765.

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 9990534111 is about 99952.6593493140. The cubic root of 9990534111 is about 2153.7546874380.

The spelling of 9990534111 in words is "nine billion, nine hundred ninety million, five hundred thirty-four thousand, one hundred eleven".