105043665770045 has 8 divisors (see below), whose sum is σ = 129459220516824. Its totient is φ = 81763718220864.

The previous prime is 105043665770039. The next prime is 105043665770047. The reversal of 105043665770045 is 540077566340501.

It can be written as a sum of positive squares in 4 ways, for example, as 59696546133316 + 45347119636729 = 7726354^2 + 6734027^2 .

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 105043665770045 - 2⁶ = 105043665769981 is a prime.

It is a super-2 number, since 2×105043665770045² (a number of 29 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 (105043665770047) 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, 283901799194 + ... + 283901799563.

It is an arithmetic number, because the mean of its divisors is an integer number (16182402564603).

Almost surely, 2^{105043665770045} is an apocalyptic number.

It is an amenable number.

105043665770045 is a deficient number, since it is larger than the sum of its proper divisors (24415554746779).

105043665770045 is an equidigital number, since it uses as much as digits as its factorization.

105043665770045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567803598799.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 105043665770045 in words is "one hundred five trillion, forty-three billion, six hundred sixty-five million, seven hundred seventy thousand, forty-five".