11111029999 has 8 divisors (see below), whose sum is σ = 11140375680. Its totient is φ = 11081712600.

The previous prime is 11111029939. The next prime is 11111030009. The reversal of 11111029999 is 99992011111.

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 11111029999 - 2¹¹ = 11111027951 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 (11111029939) 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, 942262 + ... + 953980.

It is an arithmetic number, because the mean of its divisors is an integer number (1392546960).

Almost surely, 2^11111029999 is an apocalyptic number.

11111029999 is a deficient number, since it is larger than the sum of its proper divisors (29345681).

11111029999 is a wasteful number, since it uses less digits than its factorization.

11111029999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14141.

The product of its (nonzero) digits is 13122, while the sum is 43.

The spelling of 11111029999 in words is "eleven billion, one hundred eleven million, twenty-nine thousand, nine hundred ninety-nine".