204550226211055 has 16 divisors (see below), whose sum is σ = 253378923257088. Its totient is φ = 158361103872000.

The previous prime is 204550226211049. The next prime is 204550226211073. The reversal of 204550226211055 is 550112622055402.

It is not a de Polignac number, because 204550226211055 - 2⁷ = 204550226210927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204550226210999 and 204550226211017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81194685 + ... + 83676025.

It is an arithmetic number, because the mean of its divisors is an integer number (15836182703568).

Almost surely, 2^{204550226211055} is an apocalyptic number.

204550226211055 is a deficient number, since it is larger than the sum of its proper divisors (48828697046033).

204550226211055 is a wasteful number, since it uses less digits than its factorization.

204550226211055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013218.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 204550226211055 its reverse (550112622055402), we get a palindrome (754662848266457).

The spelling of 204550226211055 in words is "two hundred four trillion, five hundred fifty billion, two hundred twenty-six million, two hundred eleven thousand, fifty-five".