205283523601 has 16 divisors (see below), whose sum is σ = 232751413440. Its totient is φ = 179487299520.

The previous prime is 205283523589. The next prime is 205283523649. The reversal of 205283523601 is 106325382502.

It is a cyclic number.

It is not a de Polignac number, because 205283523601 - 2²⁹ = 204746652689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205283523661) 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 15 ways as a sum of consecutive naturals, for example, 1376766 + ... + 1518568.

It is an arithmetic number, because the mean of its divisors is an integer number (14546963340).

Almost surely, 2^205283523601 is an apocalyptic number.

It is an amenable number.

205283523601 is a deficient number, since it is larger than the sum of its proper divisors (27467889839).

205283523601 is a wasteful number, since it uses less digits than its factorization.

205283523601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147696.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 205283523601 in words is "two hundred five billion, two hundred eighty-three million, five hundred twenty-three thousand, six hundred one".