9999990011 has 8 divisors (see below), whose sum is σ = 10921445184. Its totient is φ = 9080595720.

The previous prime is 9999989983. The next prime is 9999990017. The reversal of 9999990011 is 1100999999.

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 9999990011 - 2⁶ = 9999989947 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9999990017) 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 7 ways as a sum of consecutive naturals, for example, 505061 + ... + 524486.

It is an arithmetic number, because the mean of its divisors is an integer number (1365180648).

Almost surely, 2^9999990011 is an apocalyptic number.

9999990011 is a deficient number, since it is larger than the sum of its proper divisors (921455173).

9999990011 is a wasteful number, since it uses less digits than its factorization.

9999990011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030441.

The product of its (nonzero) digits is 531441, while the sum is 56.

The square root of 9999990011 is about 99999.9500549875. The cubic root of 9999990011 is about 2154.4339726767.

It can be divided in two parts, 9999 and 990011, that multiplied together give a palindrome (9899119989).

The spelling of 9999990011 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety thousand, eleven".