200115342505 has 8 divisors (see below), whose sum is σ = 258610596552. Its totient is φ = 147777483648.

The previous prime is 200115342503. The next prime is 200115342577. The reversal of 200115342505 is 505243511002.

It can be written as a sum of positive squares in 4 ways, for example, as 1202910489 + 198912432016 = 34683^2 + 445996^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200115342505 - 2¹ = 200115342503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200115342503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539348724 + ... + 1539348853.

It is an arithmetic number, because the mean of its divisors is an integer number (32326324569).

Almost surely, 2^200115342505 is an apocalyptic number.

It is an amenable number.

200115342505 is a deficient number, since it is larger than the sum of its proper divisors (58495254047).

200115342505 is a wasteful number, since it uses less digits than its factorization.

200115342505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078697595.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 200115342505 its reverse (505243511002), we get a palindrome (705358853507).

The spelling of 200115342505 in words is "two hundred billion, one hundred fifteen million, three hundred forty-two thousand, five hundred five".