12816407811 has 8 divisors (see below), whose sum is σ = 17100072640. Its totient is φ = 8538507432.

The previous prime is 12816407803. The next prime is 12816407843. The reversal of 12816407811 is 11870461821.

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

It is not a de Polignac number, because 12816407811 - 2³ = 12816407803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12816407811.

It is not an unprimeable number, because it can be changed into a prime (12816407411) 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, 1435921 + ... + 1444818.

It is an arithmetic number, because the mean of its divisors is an integer number (2137509080).

Almost surely, 2^12816407811 is an apocalyptic number.

12816407811 is a deficient number, since it is larger than the sum of its proper divisors (4283664829).

12816407811 is a wasteful number, since it uses less digits than its factorization.

12816407811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882225.

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 12816407811 in words is "twelve billion, eight hundred sixteen million, four hundred seven thousand, eight hundred eleven".