12766352178955 has 8 divisors (see below), whose sum is σ = 15319921266000. Its totient is φ = 10212882642336.

The previous prime is 12766352178953. The next prime is 12766352178991. The reversal of 12766352178955 is 55987125366721.

It is a happy number.

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 12766352178955 - 2¹ = 12766352178953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12766352178953) 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, 24605185 + ... + 25118674.

It is an arithmetic number, because the mean of its divisors is an integer number (1914990158250).

Almost surely, 2^{12766352178955} is an apocalyptic number.

12766352178955 is a deficient number, since it is larger than the sum of its proper divisors (2553569087045).

12766352178955 is an equidigital number, since it uses as much as digits as its factorization.

12766352178955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49775213.

The product of its digits is 190512000, while the sum is 67.

The spelling of 12766352178955 in words is "twelve trillion, seven hundred sixty-six billion, three hundred fifty-two million, one hundred seventy-eight thousand, nine hundred fifty-five".