115529910971 has 4 divisors (see below), whose sum is σ = 115663781952. Its totient is φ = 115396039992.

The previous prime is 115529910967. The next prime is 115529910997. The reversal of 115529910971 is 179019925511.

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

It is a cyclic number.

It is not a de Polignac number, because 115529910971 - 2² = 115529910967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115529910901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66934196 + ... + 66935921.

It is an arithmetic number, because the mean of its divisors is an integer number (28915945488).

Almost surely, 2^115529910971 is an apocalyptic number.

115529910971 is a deficient number, since it is larger than the sum of its proper divisors (133870981).

115529910971 is an equidigital number, since it uses as much as digits as its factorization.

115529910971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133870980.

The product of its (nonzero) digits is 255150, while the sum is 50.

The spelling of 115529910971 in words is "one hundred fifteen billion, five hundred twenty-nine million, nine hundred ten thousand, nine hundred seventy-one".