115211303231105 has 8 divisors (see below), whose sum is σ = 138336999954792. Its totient is φ = 92113418533248.

The previous prime is 115211303231041. The next prime is 115211303231131. The reversal of 115211303231105 is 501132303112511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26542186951921 + 88669116279184 = 5151911^2 + 9416428^2 .

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 115211303231105 - 2⁶ = 115211303231041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6952997342 + ... + 6953013911.

It is an arithmetic number, because the mean of its divisors is an integer number (17292124994349).

Almost surely, 2^{115211303231105} is an apocalyptic number.

It is an amenable number.

115211303231105 is a deficient number, since it is larger than the sum of its proper divisors (23125696723687).

115211303231105 is a wasteful number, since it uses less digits than its factorization.

115211303231105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13906012915.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 115211303231105 its reverse (501132303112511), we get a palindrome (616343606343616).

The spelling of 115211303231105 in words is "one hundred fifteen trillion, two hundred eleven billion, three hundred three million, two hundred thirty-one thousand, one hundred five".