511366206413 has 16 divisors (see below), whose sum is σ = 520783603200. Its totient is φ = 502004084736.

The previous prime is 511366206401. The next prime is 511366206431. The reversal of 511366206413 is 314602663115.

It is a cyclic number.

It is not a de Polignac number, because 511366206413 - 2⁸ = 511366206157 is a prime.

It is a super-2 number, since 2×511366206413² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511366200413) 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 15 ways as a sum of consecutive naturals, for example, 25951781 + ... + 25971477.

It is an arithmetic number, because the mean of its divisors is an integer number (32548975200).

Almost surely, 2^511366206413 is an apocalyptic number.

It is an amenable number.

511366206413 is a deficient number, since it is larger than the sum of its proper divisors (9417396787).

511366206413 is a wasteful number, since it uses less digits than its factorization.

511366206413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21076.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 511366206413 its reverse (314602663115), we get a palindrome (825968869528).

The spelling of 511366206413 in words is "five hundred eleven billion, three hundred sixty-six million, two hundred six thousand, four hundred thirteen".