206021536214545 has 8 divisors (see below), whose sum is σ = 252485967786624. Its totient is φ = 161310479418864.

The previous prime is 206021536214539. The next prime is 206021536214567. The reversal of 206021536214545 is 545412635120602.

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

It is a cyclic number.

It is not a de Polignac number, because 206021536214545 - 2¹¹ = 206021536212497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206021536214495 and 206021536214504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438343693839 + ... + 438343694308.

It is an arithmetic number, because the mean of its divisors is an integer number (31560745973328).

Almost surely, 2^{206021536214545} is an apocalyptic number.

It is an amenable number.

206021536214545 is a deficient number, since it is larger than the sum of its proper divisors (46464431572079).

206021536214545 is an equidigital number, since it uses as much as digits as its factorization.

206021536214545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876687388199.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 206021536214545 in words is "two hundred six trillion, twenty-one billion, five hundred thirty-six million, two hundred fourteen thousand, five hundred forty-five".