11324879999 has 4 divisors (see below), whose sum is σ = 11325223800. Its totient is φ = 11324536200.

The previous prime is 11324879981. The next prime is 11324880013. The reversal of 11324879999 is 99997842311.

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

It is a cyclic number.

It is not a de Polignac number, because 11324879999 - 2⁸ = 11324879743 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 (11324879399) 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 3 ways as a sum of consecutive naturals, for example, 116549 + ... + 190350.

It is an arithmetic number, because the mean of its divisors is an integer number (2831305950).

Almost surely, 2^11324879999 is an apocalyptic number.

11324879999 is a deficient number, since it is larger than the sum of its proper divisors (343801).

11324879999 is an equidigital number, since it uses as much as digits as its factorization.

11324879999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343800.

The product of its digits is 8817984, while the sum is 62.

The spelling of 11324879999 in words is "eleven billion, three hundred twenty-four million, eight hundred seventy-nine thousand, nine hundred ninety-nine".