105520660171 has 8 divisors (see below), whose sum is σ = 105836725904. Its totient is φ = 105205042080.

The previous prime is 105520660139. The next prime is 105520660181. The reversal of 105520660171 is 171066025501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105520660171 - 2⁵ = 105520660139 is a prime.

It is a super-2 number, since 2×105520660171² (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 (105520660181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363256 + ... + 585658.

It is an arithmetic number, because the mean of its divisors is an integer number (13229590738).

Almost surely, 2^105520660171 is an apocalyptic number.

105520660171 is a deficient number, since it is larger than the sum of its proper divisors (316065733).

105520660171 is an equidigital number, since it uses as much as digits as its factorization.

105520660171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223821.

The product of its (nonzero) digits is 12600, while the sum is 34.

Adding to 105520660171 its reverse (171066025501), we get a palindrome (276586685672).

The spelling of 105520660171 in words is "one hundred five billion, five hundred twenty million, six hundred sixty thousand, one hundred seventy-one".