205102153552 has 20 divisors (see below), whose sum is σ = 398329343956. Its totient is φ = 102307484160.

The previous prime is 205102153547. The next prime is 205102153579. The reversal of 205102153552 is 255351201502.

205102153552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5682747456 + 199419406096 = 75384^2 + 446564^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15217593 + ... + 15231064.

Almost surely, 2^205102153552 is an apocalyptic number.

It is an amenable number.

205102153552 is a deficient number, since it is larger than the sum of its proper divisors (193227190404).

205102153552 is a wasteful number, since it uses less digits than its factorization.

205102153552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30449086 (or 30449080 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 205102153552 in words is "two hundred five billion, one hundred two million, one hundred fifty-three thousand, five hundred fifty-two".