205553544241 has 8 divisors (see below), whose sum is σ = 206166804480. Its totient is φ = 204940683552.

The previous prime is 205553544187. The next prime is 205553544247. The reversal of 205553544241 is 142445355502.

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 205553544241 - 2²³ = 205545155633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205553544194 and 205553544203.

It is not an unprimeable number, because it can be changed into a prime (205553544247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946876 + ... + 1143538.

It is an arithmetic number, because the mean of its divisors is an integer number (25770850560).

Almost surely, 2^205553544241 is an apocalyptic number.

It is an amenable number.

205553544241 is a deficient number, since it is larger than the sum of its proper divisors (613260239).

205553544241 is a wasteful number, since it uses less digits than its factorization.

205553544241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199775.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 205553544241 its reverse (142445355502), we get a palindrome (347998899743).

The spelling of 205553544241 in words is "two hundred five billion, five hundred fifty-three million, five hundred forty-four thousand, two hundred forty-one".