115664316643771 has 8 divisors (see below), whose sum is σ = 132188481169664. Its totient is φ = 99140324797800.

The previous prime is 115664316643763. The next prime is 115664316643781. The reversal of 115664316643771 is 177346613466511.

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 115664316643771 - 2³ = 115664316643763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115664316643781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41731455 + ... + 44416696.

It is an arithmetic number, because the mean of its divisors is an integer number (16523560146208).

Almost surely, 2^{115664316643771} is an apocalyptic number.

115664316643771 is a deficient number, since it is larger than the sum of its proper divisors (16524164525893).

115664316643771 is an equidigital number, since it uses as much as digits as its factorization.

115664316643771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86339961.

The product of its digits is 45722880, while the sum is 61.

The spelling of 115664316643771 in words is "one hundred fifteen trillion, six hundred sixty-four billion, three hundred sixteen million, six hundred forty-three thousand, seven hundred seventy-one".