512820011 has 16 divisors (see below), whose sum is σ = 611463168. Its totient is φ = 424617600.

The previous prime is 512820001. The next prime is 512820017. The reversal of 512820011 is 110028215.

It is a happy number.

It is not a de Polignac number, because 512820011 - 2¹⁸ = 512557867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512820017) 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 15 ways as a sum of consecutive naturals, for example, 38435 + ... + 50028.

It is an arithmetic number, because the mean of its divisors is an integer number (38216448).

Almost surely, 2^512820011 is an apocalyptic number.

512820011 is a deficient number, since it is larger than the sum of its proper divisors (98643157).

512820011 is a wasteful number, since it uses less digits than its factorization.

512820011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88522.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 512820011 is about 22645.5296029923. The cubic root of 512820011 is about 800.4268612588.

Adding to 512820011 its reverse (110028215), we get a palindrome (622848226).

The spelling of 512820011 in words is "five hundred twelve million, eight hundred twenty thousand, eleven".