12344776811 has 8 divisors (see below), whose sum is σ = 12778728480. Its totient is φ = 11911376512.

The previous prime is 12344776793. The next prime is 12344776823. The reversal of 12344776811 is 11867744321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12344776811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344776841) 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, 92015 + ... + 182088.

It is an arithmetic number, because the mean of its divisors is an integer number (1597341060).

Almost surely, 2^12344776811 is an apocalyptic number.

12344776811 is a deficient number, since it is larger than the sum of its proper divisors (433951669).

12344776811 is a wasteful number, since it uses less digits than its factorization.

12344776811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275685.

The product of its digits is 225792, while the sum is 44.

The spelling of 12344776811 in words is "twelve billion, three hundred forty-four million, seven hundred seventy-six thousand, eight hundred eleven".