115210717129 has 4 divisors (see below), whose sum is σ = 117890036176. Its totient is φ = 112531398084.

The previous prime is 115210717117. The next prime is 115210717151. The reversal of 115210717129 is 921717012511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115210717129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115210717109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339659459 + ... + 1339659544.

It is an arithmetic number, because the mean of its divisors is an integer number (29472509044).

Almost surely, 2^115210717129 is an apocalyptic number.

It is an amenable number.

115210717129 is a deficient number, since it is larger than the sum of its proper divisors (2679319047).

115210717129 is an equidigital number, since it uses as much as digits as its factorization.

115210717129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679319046.

The product of its (nonzero) digits is 8820, while the sum is 37.

The spelling of 115210717129 in words is "one hundred fifteen billion, two hundred ten million, seven hundred seventeen thousand, one hundred twenty-nine".