205325543011 has 2 divisors, whose sum is σ = 205325543012. Its totient is φ = 205325543010.

The previous prime is 205325542999. The next prime is 205325543021. The reversal of 205325543011 is 110345523502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205325543011 - 2⁵ = 205325542979 is a prime.

It is a super-2 number, since 2×205325543011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (205325543021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102662771505 + 102662771506.

It is an arithmetic number, because the mean of its divisors is an integer number (102662771506).

Almost surely, 2^205325543011 is an apocalyptic number.

205325543011 is a deficient number, since it is larger than the sum of its proper divisors (1).

205325543011 is an equidigital number, since it uses as much as digits as its factorization.

205325543011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 205325543011 in words is "two hundred five billion, three hundred twenty-five million, five hundred forty-three thousand, eleven".