105720527717 has 8 divisors (see below), whose sum is σ = 120826849536. Its totient is φ = 90615053232.

The previous prime is 105720527701. The next prime is 105720527723. The reversal of 105720527717 is 717725027501.

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 105720527717 - 2⁴ = 105720527701 is a prime.

It is a super-2 number, since 2×105720527717² (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 (105720527917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82868 + ... + 467234.

It is an arithmetic number, because the mean of its divisors is an integer number (15103356192).

Almost surely, 2^105720527717 is an apocalyptic number.

It is an amenable number.

105720527717 is a deficient number, since it is larger than the sum of its proper divisors (15106321819).

105720527717 is an equidigital number, since it uses as much as digits as its factorization.

105720527717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423667.

The product of its (nonzero) digits is 240100, while the sum is 44.

The spelling of 105720527717 in words is "one hundred five billion, seven hundred twenty million, five hundred twenty-seven thousand, seven hundred seventeen".