655105505050 has 96 divisors (see below), whose sum is σ = 1264063313520. Its totient is φ = 252422553600.

The previous prime is 655105505027. The next prime is 655105505051. The reversal of 655105505050 is 50505501556.

It can be written as a sum of positive squares in 24 ways, for example, as 635931287209 + 19174217841 = 797453^2 + 138471^2 .

It is not an unprimeable number, because it can be changed into a prime (655105505051) 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 47 ways as a sum of consecutive naturals, for example, 62308594 + ... + 62319106.

Almost surely, 2^655105505050 is an apocalyptic number.

655105505050 is a deficient number, since it is larger than the sum of its proper divisors (608957808470).

655105505050 is a wasteful number, since it uses less digits than its factorization.

655105505050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948 (or 10943 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 655105505050 in words is "six hundred fifty-five billion, one hundred five million, five hundred five thousand, fifty".