200105250534109 has 2 divisors, whose sum is σ = 200105250534110. Its totient is φ = 200105250534108.

The previous prime is 200105250534089. The next prime is 200105250534191. The reversal of 200105250534109 is 901435052501002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191782475588025 + 8322774946084 = 13848555^2 + 2884922^2 .

It is a cyclic number.

It is not a de Polignac number, because 200105250534109 - 2²⁵ = 200105216979677 is a prime.

It is a super-2 number, since 2×200105250534109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200105250535109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100052625267054 + 100052625267055.

It is an arithmetic number, because the mean of its divisors is an integer number (100052625267055).

Almost surely, 2^{200105250534109} is an apocalyptic number.

It is an amenable number.

200105250534109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200105250534109 is an equidigital number, since it uses as much as digits as its factorization.

200105250534109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 200105250534109 in words is "two hundred trillion, one hundred five billion, two hundred fifty million, five hundred thirty-four thousand, one hundred nine".