11821272967 has 8 divisors (see below), whose sum is σ = 13580027936. Its totient is φ = 10080018432.

The previous prime is 11821272937. The next prime is 11821272979. The reversal of 11821272967 is 76927212811.

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 11821272967 - 2¹¹ = 11821270919 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 (11821272917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4373658 + ... + 4376359.

It is an arithmetic number, because the mean of its divisors is an integer number (1697503492).

Almost surely, 2^11821272967 is an apocalyptic number.

11821272967 is a deficient number, since it is larger than the sum of its proper divisors (1758754969).

11821272967 is an equidigital number, since it uses as much as digits as its factorization.

11821272967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8750217.

The product of its digits is 169344, while the sum is 46.

The spelling of 11821272967 in words is "eleven billion, eight hundred twenty-one million, two hundred seventy-two thousand, nine hundred sixty-seven".