105345071547117 has 4 divisors (see below), whose sum is σ = 140460095396160. Its totient is φ = 70230047698076.

The previous prime is 105345071547071. The next prime is 105345071547179. The reversal of 105345071547117 is 711745170543501.

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 not a de Polignac number, because 105345071547117 - 2¹¹ = 105345071545069 is a prime.

It is a super-2 number, since 2×105345071547117² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105345071547117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105345071537117) 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, 17557511924517 + ... + 17557511924522.

It is an arithmetic number, because the mean of its divisors is an integer number (35115023849040).

Almost surely, 2^{105345071547117} is an apocalyptic number.

It is an amenable number.

105345071547117 is a deficient number, since it is larger than the sum of its proper divisors (35115023849043).

105345071547117 is an equidigital number, since it uses as much as digits as its factorization.

105345071547117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35115023849042.

The product of its (nonzero) digits is 2058000, while the sum is 51.

The spelling of 105345071547117 in words is "one hundred five trillion, three hundred forty-five billion, seventy-one million, five hundred forty-seven thousand, one hundred seventeen".