205145113340532 has 12 divisors (see below), whose sum is σ = 478671931127936. Its totient is φ = 68381704446840.

The previous prime is 205145113340429. The next prime is 205145113340533. The reversal of 205145113340532 is 235043311541502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205145113340533) 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 3 ways as a sum of consecutive naturals, for example, 8547713055844 + ... + 8547713055867.

Almost surely, 2^{205145113340532} is an apocalyptic number.

It is an amenable number.

205145113340532 is an abundant number, since it is smaller than the sum of its proper divisors (273526817787404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205145113340532 is a wasteful number, since it uses less digits than its factorization.

205145113340532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17095426111718 (or 17095426111716 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 205145113340532 in words is "two hundred five trillion, one hundred forty-five billion, one hundred thirteen million, three hundred forty thousand, five hundred thirty-two".