12768419524505 has 8 divisors (see below), whose sum is σ = 15322523673600. Its totient is φ = 10214455456816.

The previous prime is 12768419524501. The next prime is 12768419524543. The reversal of 12768419524505 is 50542591486721.

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 12768419524505 - 2² = 12768419524501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12768419524501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34819715 + ... + 35184504.

It is an arithmetic number, because the mean of its divisors is an integer number (1915315459200).

Almost surely, 2^{12768419524505} is an apocalyptic number.

It is an amenable number.

12768419524505 is a deficient number, since it is larger than the sum of its proper divisors (2554104149095).

12768419524505 is an equidigital number, since it uses as much as digits as its factorization.

12768419524505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70040703.

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 12768419524505 in words is "twelve trillion, seven hundred sixty-eight billion, four hundred nineteen million, five hundred twenty-four thousand, five hundred five".