99990011 has 8 divisors (see below), whose sum is σ = 109684848. Its totient is φ = 90396000.

The previous prime is 99990001. The next prime is 99990029. The reversal of 99990011 is 11009999.

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 a de Polignac number, because none of the positive numbers 2^k-99990011 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 (99990001) 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, 23120 + ... + 27101.

It is an arithmetic number, because the mean of its divisors is an integer number (13710606).

Almost surely, 2^99990011 is an apocalyptic number.

99990011 is a deficient number, since it is larger than the sum of its proper divisors (9694837).

99990011 is a wasteful number, since it uses less digits than its factorization.

99990011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50413.

The product of its (nonzero) digits is 6561, while the sum is 38.

The square root of 99990011 is about 9999.5005375269. The cubic root of 99990011 is about 464.1434279030.

It can be divided in two parts, 99 and 990011, that multiplied together give a palindrome (98011089).

The spelling of 99990011 in words is "ninety-nine million, nine hundred ninety thousand, eleven".