21068059955050 has 72 divisors (see below), whose sum is σ = 40515524604972. Its totient is φ = 8148575904000.

The previous prime is 21068059954999. The next prime is 21068059955057. The reversal of 21068059955050 is 5055995086012.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 332067520009 + 20735992435041 = 576253^2 + 4553679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21068059954982 and 21068059955000.

It is not an unprimeable number, because it can be changed into a prime (21068059955057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9624870 + ... + 11609230.

Almost surely, 2^{21068059955050} is an apocalyptic number.

21068059955050 is a deficient number, since it is larger than the sum of its proper divisors (19447464649922).

21068059955050 is a wasteful number, since it uses less digits than its factorization.

21068059955050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984552 (or 1984488 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 55.

The spelling of 21068059955050 in words is "twenty-one trillion, sixty-eight billion, fifty-nine million, nine hundred fifty-five thousand, fifty".