115842908161 has 4 divisors (see below), whose sum is σ = 115884239152. Its totient is φ = 115801577172.

The previous prime is 115842908113. The next prime is 115842908171. The reversal of 115842908161 is 161809248511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 161809248511 = 29 ⋅5579629259.

It is a cyclic number.

It is not a de Polignac number, because 115842908161 - 2⁷ = 115842908033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115842908171) 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, 20661291 + ... + 20666896.

It is an arithmetic number, because the mean of its divisors is an integer number (28971059788).

Almost surely, 2^115842908161 is an apocalyptic number.

It is an amenable number.

115842908161 is a deficient number, since it is larger than the sum of its proper divisors (41330991).

115842908161 is an equidigital number, since it uses as much as digits as its factorization.

115842908161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41330990.

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 115842908161 in words is "one hundred fifteen billion, eight hundred forty-two million, nine hundred eight thousand, one hundred sixty-one".