200072215117 has 2 divisors, whose sum is σ = 200072215118. Its totient is φ = 200072215116.

The previous prime is 200072215111. The next prime is 200072215151. The reversal of 200072215117 is 711512270002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200071922436 + 292681 = 447294^2 + 541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200072215117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200072215111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100036107558 + 100036107559.

It is an arithmetic number, because the mean of its divisors is an integer number (100036107559).

Almost surely, 2^200072215117 is an apocalyptic number.

It is an amenable number.

200072215117 is a deficient number, since it is larger than the sum of its proper divisors (1).

200072215117 is an equidigital number, since it uses as much as digits as its factorization.

200072215117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 200072215117 its reverse (711512270002), we get a palindrome (911584485119).

The spelling of 200072215117 in words is "two hundred billion, seventy-two million, two hundred fifteen thousand, one hundred seventeen".