200206658128855 has 24 divisors (see below), whose sum is σ = 286288545296880. Its totient is φ = 133936161528960.

The previous prime is 200206658128831. The next prime is 200206658128889. The reversal of 200206658128855 is 558821856602002.

It is not a de Polignac number, because 200206658128855 - 2⁹ = 200206658128343 is a prime.

It is a super-2 number, since 2×200206658128855² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200206658128855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9965478165 + ... + 9965498254.

It is an arithmetic number, because the mean of its divisors is an integer number (11928689387370).

Almost surely, 2^{200206658128855} is an apocalyptic number.

200206658128855 is a deficient number, since it is larger than the sum of its proper divisors (86081887168025).

200206658128855 is a wasteful number, since it uses less digits than its factorization.

200206658128855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19930976479 (or 19930976472 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 200206658128855 in words is "two hundred trillion, two hundred six billion, six hundred fifty-eight million, one hundred twenty-eight thousand, eight hundred fifty-five".