205033325051 has 4 divisors (see below), whose sum is σ = 205042133400. Its totient is φ = 205024516704.

The previous prime is 205033325033. The next prime is 205033325069. The reversal of 205033325051 is 150523330502.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (205033325033) and next prime (205033325069).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205033325051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205033325551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4369166 + ... + 4415843.

It is an arithmetic number, because the mean of its divisors is an integer number (51260533350).

Almost surely, 2^205033325051 is an apocalyptic number.

205033325051 is a deficient number, since it is larger than the sum of its proper divisors (8808349).

205033325051 is an equidigital number, since it uses as much as digits as its factorization.

205033325051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808348.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 205033325051 its reverse (150523330502), we get a palindrome (355556655553).

The spelling of 205033325051 in words is "two hundred five billion, thirty-three million, three hundred twenty-five thousand, fifty-one".