805135487522 has 8 divisors (see below), whose sum is σ = 1214375625372. Its totient is φ = 400343612400.

The previous prime is 805135487521. The next prime is 805135487567. The reversal of 805135487522 is 225784531508.

It can be written as a sum of positive squares in 2 ways, for example, as 803405676241 + 1729811281 = 896329^2 + 41591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (805135487521) by changing a digit.

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, 1112065229 + ... + 1112065952.

Almost surely, 2^805135487522 is an apocalyptic number.

805135487522 is a deficient number, since it is larger than the sum of its proper divisors (409240137850).

805135487522 is a wasteful number, since it uses less digits than its factorization.

805135487522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224131364.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 805135487522 in words is "eight hundred five billion, one hundred thirty-five million, four hundred eighty-seven thousand, five hundred twenty-two".