115223243161 has 16 divisors (see below), whose sum is σ = 138300825600. Its totient is φ = 94834844928.

The previous prime is 115223243153. The next prime is 115223243167. The reversal of 115223243161 is 161342322511.

It is a cyclic number.

It is not a de Polignac number, because 115223243161 - 2³ = 115223243153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115223243167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13716121 + ... + 13724518.

It is an arithmetic number, because the mean of its divisors is an integer number (8643801600).

Almost surely, 2^115223243161 is an apocalyptic number.

It is an amenable number.

115223243161 is a deficient number, since it is larger than the sum of its proper divisors (23077582439).

115223243161 is a wasteful number, since it uses less digits than its factorization.

115223243161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27440688.

The product of its digits is 8640, while the sum is 31.

Adding to 115223243161 its reverse (161342322511), we get a palindrome (276565565672).

The spelling of 115223243161 in words is "one hundred fifteen billion, two hundred twenty-three million, two hundred forty-three thousand, one hundred sixty-one".