204552553211 has 2 divisors, whose sum is σ = 204552553212. Its totient is φ = 204552553210.

The previous prime is 204552553151. The next prime is 204552553213. The reversal of 204552553211 is 112355255402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204552553211 - 2⁶ = 204552553147 is a prime.

Together with 204552553213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204552553213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102276276605 + 102276276606.

It is an arithmetic number, because the mean of its divisors is an integer number (102276276606).

Almost surely, 2^204552553211 is an apocalyptic number.

204552553211 is a deficient number, since it is larger than the sum of its proper divisors (1).

204552553211 is an equidigital number, since it uses as much as digits as its factorization.

204552553211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 204552553211 in words is "two hundred four billion, five hundred fifty-two million, five hundred fifty-three thousand, two hundred eleven".