205512653153 has 8 divisors (see below), whose sum is σ = 206558432640. Its totient is φ = 204468782080.

The previous prime is 205512653117. The next prime is 205512653173. The reversal of 205512653153 is 351356215502.

205512653153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 205512653153 - 2²⁰ = 205511604577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205512653173) 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 7 ways as a sum of consecutive naturals, for example, 260933 + ... + 692178.

It is an arithmetic number, because the mean of its divisors is an integer number (25819804080).

Almost surely, 2^205512653153 is an apocalyptic number.

It is an amenable number.

205512653153 is a deficient number, since it is larger than the sum of its proper divisors (1045779487).

205512653153 is an equidigital number, since it uses as much as digits as its factorization.

205512653153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954207.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 205512653153 its reverse (351356215502), we get a palindrome (556868868655).

The spelling of 205512653153 in words is "two hundred five billion, five hundred twelve million, six hundred fifty-three thousand, one hundred fifty-three".