10011009999 has 4 divisors (see below), whose sum is σ = 13348013336. Its totient is φ = 6674006664.

The previous prime is 10011009977. The next prime is 10011010067. The reversal of 10011009999 is 99990011001.

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

It is not a de Polignac number, because 10011009999 - 2⁷ = 10011009871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011009949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668501664 + ... + 1668501669.

It is an arithmetic number, because the mean of its divisors is an integer number (3337003334).

Almost surely, 2^10011009999 is an apocalyptic number.

10011009999 is a deficient number, since it is larger than the sum of its proper divisors (3337003337).

10011009999 is an equidigital number, since it uses as much as digits as its factorization.

10011009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337003336.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 10011009999 in words is "ten billion, eleven million, nine thousand, nine hundred ninety-nine".