205145204055044 has 12 divisors (see below), whose sum is σ = 391640844105168. Its totient is φ = 93247820025000.

The previous prime is 205145204055037. The next prime is 205145204055107. The reversal of 205145204055044 is 440550402541502.

It is a super-3 number, since 3×205145204055044³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205145204054992 and 205145204055010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331195500582 + ... + 2331195500669.

It is an arithmetic number, because the mean of its divisors is an integer number (32636737008764).

Almost surely, 2^{205145204055044} is an apocalyptic number.

It is an amenable number.

205145204055044 is a deficient number, since it is larger than the sum of its proper divisors (186495640050124).

205145204055044 is a wasteful number, since it uses less digits than its factorization.

205145204055044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662391001266 (or 4662391001264 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

Adding to 205145204055044 its reverse (440550402541502), we get a palindrome (645695606596546).

The spelling of 205145204055044 in words is "two hundred five trillion, one hundred forty-five billion, two hundred four million, fifty-five thousand, forty-four".