1282352857615 has 4 divisors (see below), whose sum is σ = 1538823429144. Its totient is φ = 1025882286088.

The previous prime is 1282352857571. The next prime is 1282352857627. The reversal of 1282352857615 is 5167582532821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1282352857615 - 2¹³ = 1282352849423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128235285757 + ... + 128235285766.

It is an arithmetic number, because the mean of its divisors is an integer number (384705857286).

Almost surely, 2^{1282352857615} is an apocalyptic number.

1282352857615 is a deficient number, since it is larger than the sum of its proper divisors (256470571529).

1282352857615 is an equidigital number, since it uses as much as digits as its factorization.

1282352857615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256470571528.

The product of its digits is 8064000, while the sum is 55.

The spelling of 1282352857615 in words is "one trillion, two hundred eighty-two billion, three hundred fifty-two million, eight hundred fifty-seven thousand, six hundred fifteen".