11121999967 has 8 divisors (see below), whose sum is σ = 11988219824. Its totient is φ = 10257306048.

The previous prime is 11121999919. The next prime is 11121999971. The reversal of 11121999967 is 76999912111.

11121999967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11121999967 - 2⁷ = 11121999839 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 (11121999997) 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 7 ways as a sum of consecutive naturals, for example, 366318 + ... + 395515.

It is an arithmetic number, because the mean of its divisors is an integer number (1498527478).

Almost surely, 2^11121999967 is an apocalyptic number.

11121999967 is a deficient number, since it is larger than the sum of its proper divisors (866219857).

11121999967 is a wasteful number, since it uses less digits than its factorization.

11121999967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762969.

The product of its digits is 551124, while the sum is 55.

The spelling of 11121999967 in words is "eleven billion, one hundred twenty-one million, nine hundred ninety-nine thousand, nine hundred sixty-seven".