11112589999 has 12 divisors (see below), whose sum is σ = 12928618704. Its totient is φ = 9523803744.

The previous prime is 11112589993. The next prime is 11112590029. The reversal of 11112589999 is 99998521111.

It is a de Polignac number, because none of the positive numbers 2^k-11112589999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112589993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648982 + ... + 665884.

It is an arithmetic number, because the mean of its divisors is an integer number (1077384892).

Almost surely, 2^11112589999 is an apocalyptic number.

11112589999 is a deficient number, since it is larger than the sum of its proper divisors (1816028705).

11112589999 is a wasteful number, since it uses less digits than its factorization.

11112589999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30334 (or 30327 counting only the distinct ones).

The product of its digits is 524880, while the sum is 55.

The spelling of 11112589999 in words is "eleven billion, one hundred twelve million, five hundred eighty-nine thousand, nine hundred ninety-nine".