1065506065049 has 2 divisors, whose sum is σ = 1065506065050. Its totient is φ = 1065506065048.

The previous prime is 1065506065037. The next prime is 1065506065061. The reversal of 1065506065049 is 9405606055601.

It is a balanced prime because it is at equal distance from previous prime (1065506065037) and next prime (1065506065061).

It can be written as a sum of positive squares in only one way, i.e., 875100379024 + 190405686025 = 935468^2 + 436355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065506065049 - 2²⁴ = 1065489287833 is a prime.

It is a super-2 number, since 2×1065506065049² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1065506064994 and 1065506065012.

It is not a weakly prime, because it can be changed into another prime (1065506065649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532753032524 + 532753032525.

It is an arithmetic number, because the mean of its divisors is an integer number (532753032525).

Almost surely, 2^{1065506065049} is an apocalyptic number.

It is an amenable number.

1065506065049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065506065049 is an equidigital number, since it uses as much as digits as its factorization.

1065506065049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 1065506065049 in words is "one trillion, sixty-five billion, five hundred six million, sixty-five thousand, forty-nine".