1065606115687 has 2 divisors, whose sum is σ = 1065606115688. Its totient is φ = 1065606115686.

The previous prime is 1065606115597. The next prime is 1065606115729. The reversal of 1065606115687 is 7865116065601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1065606115687 - 2³¹ = 1063458632039 is a prime.

It is a super-2 number, since 2×1065606115687² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065606815687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532803057843 + 532803057844.

It is an arithmetic number, because the mean of its divisors is an integer number (532803057844).

Almost surely, 2^{1065606115687} is an apocalyptic number.

1065606115687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065606115687 is an equidigital number, since it uses as much as digits as its factorization.

1065606115687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 1065606115687 in words is "one trillion, sixty-five billion, six hundred six million, one hundred fifteen thousand, six hundred eighty-seven".