10205355215204 has 6 divisors (see below), whose sum is σ = 17859371626614. Its totient is φ = 5102677607600.

The previous prime is 10205355215201. The next prime is 10205355215239. The reversal of 10205355215204 is 40251255350201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7172498135104 + 3032857080100 = 2678152^2 + 1741510^2 .

It is not an unprimeable number, because it can be changed into a prime (10205355215201) by changing a digit.

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 as a sum of consecutive naturals, namely, 1275669401897 + ... + 1275669401904.

It is an arithmetic number, because the mean of its divisors is an integer number (2976561937769).

Almost surely, 2^{10205355215204} is an apocalyptic number.

It is an amenable number.

10205355215204 is a deficient number, since it is larger than the sum of its proper divisors (7654016411410).

10205355215204 is a wasteful number, since it uses less digits than its factorization.

10205355215204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551338803805 (or 2551338803803 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 10205355215204 in words is "ten trillion, two hundred five billion, three hundred fifty-five million, two hundred fifteen thousand, two hundred four".