114505565161 has 4 divisors (see below), whose sum is σ = 123313685572. Its totient is φ = 105697444752.

The previous prime is 114505565149. The next prime is 114505565173. The reversal of 114505565161 is 161565505411.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (114505565149) and next prime (114505565173).

It can be written as a sum of positive squares in 2 ways, for example, as 18440282025 + 96065283136 = 135795^2 + 309944^2 .

It is a cyclic number.

It is not a de Polignac number, because 114505565161 - 2¹⁹ = 114505040873 is a prime.

It is a super-2 number, since 2×114505565161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (114505565191) 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, 4404060186 + ... + 4404060211.

It is an arithmetic number, because the mean of its divisors is an integer number (30828421393).

Almost surely, 2^114505565161 is an apocalyptic number.

It is an amenable number.

114505565161 is a deficient number, since it is larger than the sum of its proper divisors (8808120411).

114505565161 is an equidigital number, since it uses as much as digits as its factorization.

114505565161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8808120410.

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 114505565161 in words is "one hundred fourteen billion, five hundred five million, five hundred sixty-five thousand, one hundred sixty-one".