205050011 has 8 divisors (see below), whose sum is σ = 207109584. Its totient is φ = 203001120.

The previous prime is 205049987. The next prime is 205050017. The reversal of 205050011 is 110050502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205050011 is a prime.

It is a super-2 number, since 2×205050011² = 84091014022200242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205050017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39101 + ... + 44033.

It is an arithmetic number, because the mean of its divisors is an integer number (25888698).

Almost surely, 2^205050011 is an apocalyptic number.

205050011 is a deficient number, since it is larger than the sum of its proper divisors (2059573).

205050011 is a wasteful number, since it uses less digits than its factorization.

205050011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 205050011 is about 14319.5674166505. The cubic root of 205050011 is about 589.6847986004.

The spelling of 205050011 in words is "two hundred five million, fifty thousand, eleven".