105600061109 has 4 divisors (see below), whose sum is σ = 105625346604. Its totient is φ = 105574775616.

The previous prime is 105600061097. The next prime is 105600061111. The reversal of 105600061109 is 901160006501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901160006501 = 946369 ⋅952229.

It can be written as a sum of positive squares in 2 ways, for example, as 83665562500 + 21934498609 = 289250^2 + 148103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105600061109 is a prime.

It is a super-2 number, since 2×105600061109² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105600061129) 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, 12636482 + ... + 12644835.

It is an arithmetic number, because the mean of its divisors is an integer number (26406336651).

Almost surely, 2^105600061109 is an apocalyptic number.

It is an amenable number.

105600061109 is a deficient number, since it is larger than the sum of its proper divisors (25285495).

105600061109 is an equidigital number, since it uses as much as digits as its factorization.

105600061109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285494.

The product of its (nonzero) digits is 1620, while the sum is 29.

The spelling of 105600061109 in words is "one hundred five billion, six hundred million, sixty-one thousand, one hundred nine".