1065205040345 has 16 divisors (see below), whose sum is σ = 1283714784000. Its totient is φ = 848518879488.

The previous prime is 1065205040309. The next prime is 1065205040369. The reversal of 1065205040345 is 5430405025601.

It is a cyclic number.

It is not a de Polignac number, because 1065205040345 - 2¹² = 1065205036249 is a prime.

It is a super-2 number, since 2×1065205040345² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14948561 + ... + 15019649.

It is an arithmetic number, because the mean of its divisors is an integer number (80232174000).

Almost surely, 2^{1065205040345} is an apocalyptic number.

It is an amenable number.

1065205040345 is a deficient number, since it is larger than the sum of its proper divisors (218509743655).

1065205040345 is a wasteful number, since it uses less digits than its factorization.

1065205040345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83872.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1065205040345 in words is "one trillion, sixty-five billion, two hundred five million, forty thousand, three hundred forty-five".