105560506109 has 4 divisors (see below), whose sum is σ = 111116322240. Its totient is φ = 100004689980.

The previous prime is 105560506099. The next prime is 105560506111. The reversal of 105560506109 is 901605065501.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105560506109 is a prime.

It is a super-2 number, since 2×105560506109² (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 (105560506609) 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, 2777908037 + ... + 2777908074.

It is an arithmetic number, because the mean of its divisors is an integer number (27779080560).

Almost surely, 2^105560506109 is an apocalyptic number.

105560506109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105560506109 is a deficient number, since it is larger than the sum of its proper divisors (5555816131).

105560506109 is an equidigital number, since it uses as much as digits as its factorization.

105560506109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555816130.

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 105560506109 in words is "one hundred five billion, five hundred sixty million, five hundred six thousand, one hundred nine".