1065340853687 has 4 divisors (see below), whose sum is σ = 1162190022216. Its totient is φ = 968491685160.

The previous prime is 1065340853669. The next prime is 1065340853729. The reversal of 1065340853687 is 7863580435601.

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 1065340853687 - 2⁶ = 1065340853623 is a prime.

It is a super-2 number, since 2×1065340853687² (a number of 25 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 (1065340553687) 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, 48424584248 + ... + 48424584269.

It is an arithmetic number, because the mean of its divisors is an integer number (290547505554).

Almost surely, 2^{1065340853687} is an apocalyptic number.

1065340853687 is a deficient number, since it is larger than the sum of its proper divisors (96849168529).

1065340853687 is an equidigital number, since it uses as much as digits as its factorization.

1065340853687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96849168528.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 1065340853687 in words is "one trillion, sixty-five billion, three hundred forty million, eight hundred fifty-three thousand, six hundred eighty-seven".