200118453617 has 4 divisors (see below), whose sum is σ = 200131496676. Its totient is φ = 200105410560.

The previous prime is 200118453611. The next prime is 200118453637. The reversal of 200118453617 is 716354811002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716354811002 = 2 ⋅358177405501.

It can be written as a sum of positive squares in 2 ways, for example, as 145081762816 + 55036690801 = 380896^2 + 234599^2 .

It is a cyclic number.

It is not a de Polignac number, because 200118453617 - 2¹⁰ = 200118452593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200118453611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6498488 + ... + 6529209.

It is an arithmetic number, because the mean of its divisors is an integer number (50032874169).

Almost surely, 2^200118453617 is an apocalyptic number.

It is an amenable number.

200118453617 is a deficient number, since it is larger than the sum of its proper divisors (13043059).

200118453617 is a wasteful number, since it uses less digits than its factorization.

200118453617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043058.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 200118453617 in words is "two hundred billion, one hundred eighteen million, four hundred fifty-three thousand, six hundred seventeen".