500111621066 has 16 divisors (see below), whose sum is σ = 769189849704. Its totient is φ = 243775107264.

The previous prime is 500111621041. The next prime is 500111621089. The reversal of 500111621066 is 660126111005.

It can be written as a sum of positive squares in 4 ways, for example, as 421887921841 + 78223699225 = 649529^2 + 279685^2 .

It is a super-2 number, since 2×500111621066² (a number of 24 digits) contains 22 as substring.

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, 15008945 + ... + 15042228.

Almost surely, 2^500111621066 is an apocalyptic number.

500111621066 is a deficient number, since it is larger than the sum of its proper divisors (269078228638).

500111621066 is a wasteful number, since it uses less digits than its factorization.

500111621066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30051385.

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

The spelling of 500111621066 in words is "five hundred billion, one hundred eleven million, six hundred twenty-one thousand, sixty-six".