116565110061 has 4 divisors (see below), whose sum is σ = 155420146752. Its totient is φ = 77710073372.

The previous prime is 116565109961. The next prime is 116565110063. The reversal of 116565110061 is 160011565611.

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: 160011565611 = 3 ⋅53337188537.

It is a cyclic number.

It is not a de Polignac number, because 116565110061 - 2¹¹ = 116565108013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116565110063) 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, 19427518341 + ... + 19427518346.

It is an arithmetic number, because the mean of its divisors is an integer number (38855036688).

Almost surely, 2^116565110061 is an apocalyptic number.

It is an amenable number.

116565110061 is a deficient number, since it is larger than the sum of its proper divisors (38855036691).

116565110061 is an equidigital number, since it uses as much as digits as its factorization.

116565110061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38855036690.

The product of its (nonzero) digits is 5400, while the sum is 33.

Adding to 116565110061 its reverse (160011565611), we get a palindrome (276576675672).

The spelling of 116565110061 in words is "one hundred sixteen billion, five hundred sixty-five million, one hundred ten thousand, sixty-one".