1355325566 has 32 divisors (see below), whose sum is σ = 2344730112. Its totient is φ = 575546400.

The previous prime is 1355325563. The next prime is 1355325581. The reversal of 1355325566 is 6655235531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355325563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430705 + ... + 1431651.

It is an arithmetic number, because the mean of its divisors is an integer number (73272816).

Almost surely, 2^1355325566 is an apocalyptic number.

1355325566 is a deficient number, since it is larger than the sum of its proper divisors (989404546).

1355325566 is a wasteful number, since it uses less digits than its factorization.

1355325566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its digits is 405000, while the sum is 41.

The square root of 1355325566 is about 36814.7465834005. The cubic root of 1355325566 is about 1106.6608429598.

The spelling of 1355325566 in words is "one billion, three hundred fifty-five million, three hundred twenty-five thousand, five hundred sixty-six".