511241012 has 12 divisors (see below), whose sum is σ = 898385796. Its totient is φ = 254559360.

The previous prime is 511240991. The next prime is 511241023. The reversal of 511241012 is 210142115.

It can be written as a sum of positive squares in 2 ways, for example, as 190329616 + 320911396 = 13796^2 + 17914^2 .

It is a super-2 number, since 2×511241012² = 522734744701568288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264203 + ... + 266130.

It is an arithmetic number, because the mean of its divisors is an integer number (74865483).

Almost surely, 2^511241012 is an apocalyptic number.

It is an amenable number.

511241012 is a deficient number, since it is larger than the sum of its proper divisors (387144784).

511241012 is a wasteful number, since it uses less digits than its factorization.

511241012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530578 (or 530576 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 511241012 is about 22610.6393540740. The cubic root of 511241012 is about 799.6044982552.

Adding to 511241012 its reverse (210142115), we get a palindrome (721383127).

The spelling of 511241012 in words is "five hundred eleven million, two hundred forty-one thousand, twelve".