7105268816845 has 4 divisors (see below), whose sum is σ = 8526322580220. Its totient is φ = 5684215053472.

The previous prime is 7105268816827. The next prime is 7105268816851. The reversal of 7105268816845 is 5486188625017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5091404139396 + 2013864677449 = 2256414^2 + 1419107^2 .

It is a cyclic number.

It is not a de Polignac number, because 7105268816845 - 2²¹ = 7105266719693 is a prime.

It is a super-3 number, since 3×7105268816845³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710526881680 + ... + 710526881689.

It is an arithmetic number, because the mean of its divisors is an integer number (2131580645055).

Almost surely, 2^{7105268816845} is an apocalyptic number.

It is an amenable number.

7105268816845 is a deficient number, since it is larger than the sum of its proper divisors (1421053763375).

7105268816845 is a wasteful number, since it uses less digits than its factorization.

7105268816845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421053763374.

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 7105268816845 in words is "seven trillion, one hundred five billion, two hundred sixty-eight million, eight hundred sixteen thousand, eight hundred forty-five".