206517000052 has 48 divisors (see below), whose sum is σ = 397013912064. Its totient is φ = 93216060000.

The previous prime is 206517000049. The next prime is 206517000089. The reversal of 206517000052 is 250000715602.

206517000052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33289983 + ... + 33296185.

It is an arithmetic number, because the mean of its divisors is an integer number (8271123168).

Almost surely, 2^206517000052 is an apocalyptic number.

206517000052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206517000052 is a deficient number, since it is larger than the sum of its proper divisors (190496912012).

206517000052 is a wasteful number, since it uses less digits than its factorization.

206517000052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380 (or 11378 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 206517000052 its reverse (250000715602), we get a palindrome (456517715654).

The spelling of 206517000052 in words is "two hundred six billion, five hundred seventeen million, fifty-two", and thus it is an aban number.