200105560555959 has 4 divisors (see below), whose sum is σ = 266807414074616. Its totient is φ = 133403707037304.

The previous prime is 200105560555883. The next prime is 200105560555963. The reversal of 200105560555959 is 959555065501002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 200105560555959 - 2²⁰ = 200105559507383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200105560555899 and 200105560555908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200105560555559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33350926759324 + ... + 33350926759329.

It is an arithmetic number, because the mean of its divisors is an integer number (66701853518654).

Almost surely, 2^{200105560555959} is an apocalyptic number.

200105560555959 is a deficient number, since it is larger than the sum of its proper divisors (66701853518657).

200105560555959 is an equidigital number, since it uses as much as digits as its factorization.

200105560555959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66701853518656.

The product of its (nonzero) digits is 15187500, while the sum is 57.

The spelling of 200105560555959 in words is "two hundred trillion, one hundred five billion, five hundred sixty million, five hundred fifty-five thousand, nine hundred fifty-nine".