203425545611 has 2 divisors, whose sum is σ = 203425545612. Its totient is φ = 203425545610.

The previous prime is 203425545607. The next prime is 203425545737. The reversal of 203425545611 is 116545524302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203425545611 - 2² = 203425545607 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (203425545311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101712772805 + 101712772806.

It is an arithmetic number, because the mean of its divisors is an integer number (101712772806).

Almost surely, 2^203425545611 is an apocalyptic number.

203425545611 is a deficient number, since it is larger than the sum of its proper divisors (1).

203425545611 is an equidigital number, since it uses as much as digits as its factorization.

203425545611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 203425545611 in words is "two hundred three billion, four hundred twenty-five million, five hundred forty-five thousand, six hundred eleven".