206055005501001 has 8 divisors (see below), whose sum is σ = 274741560132160. Its totient is φ = 137369227268592.

The previous prime is 206055005500999. The next prime is 206055005501003. The reversal of 206055005501001 is 100105500550602.

It is an interprime number because it is at equal distance from previous prime (206055005500999) and next prime (206055005501003).

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

It is not a de Polignac number, because 206055005501001 - 2¹ = 206055005500999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206055005501001.

It is not an unprimeable number, because it can be changed into a prime (206055005501003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193480141 + ... + 194542218.

It is an arithmetic number, because the mean of its divisors is an integer number (34342695016520).

Almost surely, 2^{206055005501001} is an apocalyptic number.

It is an amenable number.

206055005501001 is a deficient number, since it is larger than the sum of its proper divisors (68686554631159).

206055005501001 is a wasteful number, since it uses less digits than its factorization.

206055005501001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388199375.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 206055005501001 in words is "two hundred six trillion, fifty-five billion, five million, five hundred one thousand, one".