1205063105071 has 4 divisors (see below), whose sum is σ = 1377214977232. Its totient is φ = 1032911232912.

The previous prime is 1205063105047. The next prime is 1205063105087. The reversal of 1205063105071 is 1705013605021.

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

It is a cyclic number.

It is not a de Polignac number, because 1205063105071 - 2⁹ = 1205063104559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205063105371) 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, 86075936070 + ... + 86075936083.

It is an arithmetic number, because the mean of its divisors is an integer number (344303744308).

Almost surely, 2^{1205063105071} is an apocalyptic number.

1205063105071 is a deficient number, since it is larger than the sum of its proper divisors (172151872161).

1205063105071 is an equidigital number, since it uses as much as digits as its factorization.

1205063105071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172151872160.

The product of its (nonzero) digits is 6300, while the sum is 31.

The spelling of 1205063105071 in words is "one trillion, two hundred five billion, sixty-three million, one hundred five thousand, seventy-one".