115650130205 has 4 divisors (see below), whose sum is σ = 138780156252. Its totient is φ = 92520104160.

The previous prime is 115650130199. The next prime is 115650130217. The reversal of 115650130205 is 502031056511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502031056511 = 61007 ⋅8229073.

It can be written as a sum of positive squares in 2 ways, for example, as 18027627289 + 97622502916 = 134267^2 + 312446^2 .

It is not a de Polignac number, because 115650130205 - 2³² = 111355162909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11565013016 + ... + 11565013025.

It is an arithmetic number, because the mean of its divisors is an integer number (34695039063).

Almost surely, 2^115650130205 is an apocalyptic number.

It is an amenable number.

115650130205 is a deficient number, since it is larger than the sum of its proper divisors (23130026047).

115650130205 is an equidigital number, since it uses as much as digits as its factorization.

115650130205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130026046.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 115650130205 its reverse (502031056511), we get a palindrome (617681186716).

The spelling of 115650130205 in words is "one hundred fifteen billion, six hundred fifty million, one hundred thirty thousand, two hundred five".