1285705226522 has 16 divisors (see below), whose sum is σ = 1980726078240. Its totient is φ = 625463990928.

The previous prime is 1285705226513. The next prime is 1285705226609. The reversal of 1285705226522 is 2256225075821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556229 + ... + 3901047.

It is an arithmetic number, because the mean of its divisors is an integer number (123795379890).

Almost surely, 2^{1285705226522} is an apocalyptic number.

1285705226522 is a deficient number, since it is larger than the sum of its proper divisors (695020851718).

1285705226522 is a wasteful number, since it uses less digits than its factorization.

1285705226522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395245.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 1285705226522 in words is "one trillion, two hundred eighty-five billion, seven hundred five million, two hundred twenty-six thousand, five hundred twenty-two".