12766778801 has 8 divisors (see below), whose sum is σ = 14627359680. Its totient is φ = 10915386768.

The previous prime is 12766778753. The next prime is 12766778909. The reversal of 12766778801 is 10887766721.

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 12766778801 - 2¹⁴ = 12766762417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12766778501) 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, 2294231 + ... + 2299788.

It is an arithmetic number, because the mean of its divisors is an integer number (1828419960).

Almost surely, 2^12766778801 is an apocalyptic number.

It is an amenable number.

12766778801 is a deficient number, since it is larger than the sum of its proper divisors (1860580879).

12766778801 is an equidigital number, since it uses as much as digits as its factorization.

12766778801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594423.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 12766778801 in words is "twelve billion, seven hundred sixty-six million, seven hundred seventy-eight thousand, eight hundred one".