115244142205 has 4 divisors (see below), whose sum is σ = 138292970652. Its totient is φ = 92195313760.

The previous prime is 115244142113. The next prime is 115244142227. The reversal of 115244142205 is 502241442511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34427318116 + 80816824089 = 185546^2 + 284283^2 .

It is not a de Polignac number, because 115244142205 - 2¹¹ = 115244140157 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, 11524414216 + ... + 11524414225.

It is an arithmetic number, because the mean of its divisors is an integer number (34573242663).

Almost surely, 2^115244142205 is an apocalyptic number.

It is an amenable number.

115244142205 is a deficient number, since it is larger than the sum of its proper divisors (23048828447).

115244142205 is an equidigital number, since it uses as much as digits as its factorization.

115244142205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23048828446.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 115244142205 its reverse (502241442511), we get a palindrome (617485584716).

The spelling of 115244142205 in words is "one hundred fifteen billion, two hundred forty-four million, one hundred forty-two thousand, two hundred five".