11110009999 has 16 divisors (see below), whose sum is σ = 12772214784. Its totient is φ = 9565204000.

The previous prime is 11110009969. The next prime is 11110010029. The reversal of 11110009999 is 99990001111.

11110009999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11110009969) and next prime (11110010029).

It is not a de Polignac number, because 11110009999 - 2⁷ = 11110009871 is a prime.

It is a Duffinian number.

11110009999 is a modest number, since divided by 9999 gives 1111 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110009909) 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 15 ways as a sum of consecutive naturals, for example, 191839 + ... + 242944.

It is an arithmetic number, because the mean of its divisors is an integer number (798263424).

Almost surely, 2^11110009999 is an apocalyptic number.

11110009999 is a deficient number, since it is larger than the sum of its proper divisors (1662204785).

11110009999 is a wasteful number, since it uses less digits than its factorization.

11110009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434918.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 11110009999 in words is "eleven billion, one hundred ten million, nine thousand, nine hundred ninety-nine".