12784317157495 has 16 divisors (see below), whose sum is σ = 16792111923552. Its totient is φ = 9285960504960.

The previous prime is 12784317157463. The next prime is 12784317157501. The reversal of 12784317157495 is 59475171348721.

12784317157495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12784317157495 - 2⁵ = 12784317157463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612141957 + ... + 1612149886.

It is an arithmetic number, because the mean of its divisors is an integer number (1049506995222).

Almost surely, 2^{12784317157495} is an apocalyptic number.

12784317157495 is a deficient number, since it is larger than the sum of its proper divisors (4007794766057).

12784317157495 is a wasteful number, since it uses less digits than its factorization.

12784317157495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224291922.

The product of its digits is 59270400, while the sum is 64.

The spelling of 12784317157495 in words is "twelve trillion, seven hundred eighty-four billion, three hundred seventeen million, one hundred fifty-seven thousand, four hundred ninety-five".