511213161206 has 16 divisors (see below), whose sum is σ = 839550603600. Its totient is φ = 231530736480.

The previous prime is 511213161197. The next prime is 511213161211. The reversal of 511213161206 is 602161312115.

It is a super-2 number, since 2×511213161206² (a number of 24 digits) 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41937881 + ... + 41950068.

It is an arithmetic number, because the mean of its divisors is an integer number (52471912725).

Almost surely, 2^511213161206 is an apocalyptic number.

511213161206 is a deficient number, since it is larger than the sum of its proper divisors (328337442394).

511213161206 is a wasteful number, since it uses less digits than its factorization.

511213161206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83888239.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 511213161206 in words is "five hundred eleven billion, two hundred thirteen million, one hundred sixty-one thousand, two hundred six".