11259939899 has 4 divisors (see below), whose sum is σ = 12126089136. Its totient is φ = 10393790664.

The previous prime is 11259939829. The next prime is 11259939907. The reversal of 11259939899 is 99893995211.

11259939899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99893995211 = 971 ⋅102877441.

It is a cyclic number.

It is not a de Polignac number, because 11259939899 - 2¹² = 11259935803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11259939829) 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 3 ways as a sum of consecutive naturals, for example, 433074599 + ... + 433074624.

It is an arithmetic number, because the mean of its divisors is an integer number (3031522284).

Almost surely, 2^11259939899 is an apocalyptic number.

11259939899 is a deficient number, since it is larger than the sum of its proper divisors (866149237).

11259939899 is an equidigital number, since it uses as much as digits as its factorization.

11259939899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866149236.

The product of its digits is 14171760, while the sum is 65.

The spelling of 11259939899 in words is "eleven billion, two hundred fifty-nine million, nine hundred thirty-nine thousand, eight hundred ninety-nine".