511040205 has 32 divisors (see below), whose sum is σ = 978405120. Its totient is φ = 251588160.

The previous prime is 511040203. The next prime is 511040209. The reversal of 511040205 is 502040115.

It is not a de Polignac number, because 511040205 - 2¹ = 511040203 is a prime.

It is a super-2 number, since 2×511040205² = 522324182252884050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511040203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143841 + ... + 147350.

It is an arithmetic number, because the mean of its divisors is an integer number (30575160).

Almost surely, 2^511040205 is an apocalyptic number.

It is an amenable number.

511040205 is a deficient number, since it is larger than the sum of its proper divisors (467364915).

511040205 is a wasteful number, since it uses less digits than its factorization.

511040205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291218 (or 291212 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 511040205 is about 22606.1983756668. The cubic root of 511040205 is about 799.4997940786.

The spelling of 511040205 in words is "five hundred eleven million, forty thousand, two hundred five".