12805516801 has 8 divisors (see below), whose sum is σ = 15965319744. Its totient is φ = 9978324720.

The previous prime is 12805516793. The next prime is 12805516819. The reversal of 12805516801 is 10861550821.

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

It is not a de Polignac number, because 12805516801 - 2³ = 12805516793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12805516861) 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, 83152630 + ... + 83152783.

It is an arithmetic number, because the mean of its divisors is an integer number (1995664968).

Almost surely, 2^12805516801 is an apocalyptic number.

12805516801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12805516801 is a deficient number, since it is larger than the sum of its proper divisors (3159802943).

12805516801 is a wasteful number, since it uses less digits than its factorization.

12805516801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166305431.

The product of its (nonzero) digits is 19200, while the sum is 37.

The spelling of 12805516801 in words is "twelve billion, eight hundred five million, five hundred sixteen thousand, eight hundred one".