206065506060551 has 8 divisors (see below), whose sum is σ = 218381295846384. Its totient is φ = 193771303989120.

The previous prime is 206065506060541. The next prime is 206065506060559. The reversal of 206065506060551 is 155060605560602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206065506060551 - 2⁶ = 206065506060487 is a prime.

It is a super-2 number, since 2×206065506060551² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206065506060496 and 206065506060505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206065506060559) 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 7 ways as a sum of consecutive naturals, for example, 5396908940 + ... + 5396947121.

It is an arithmetic number, because the mean of its divisors is an integer number (27297661980798).

Almost surely, 2^{206065506060551} is an apocalyptic number.

206065506060551 is a deficient number, since it is larger than the sum of its proper divisors (12315789785833).

206065506060551 is a wasteful number, since it uses less digits than its factorization.

206065506060551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793857201.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 206065506060551 in words is "two hundred six trillion, sixty-five billion, five hundred six million, sixty thousand, five hundred fifty-one".