1065243424561 has 8 divisors (see below), whose sum is σ = 1068250680000. Its totient is φ = 1062236392080.

The previous prime is 1065243424537. The next prime is 1065243424577. The reversal of 1065243424561 is 1654243425601.

1065243424561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1065243424561 - 2⁵ = 1065243424529 is a prime.

It is a super-2 number, since 2×1065243424561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065243424591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15985690 + ... + 16052188.

It is an arithmetic number, because the mean of its divisors is an integer number (133531335000).

Almost surely, 2^{1065243424561} is an apocalyptic number.

It is an amenable number.

1065243424561 is a deficient number, since it is larger than the sum of its proper divisors (3007255439).

1065243424561 is an equidigital number, since it uses as much as digits as its factorization.

1065243424561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111479.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1065243424561 in words is "one trillion, sixty-five billion, two hundred forty-three million, four hundred twenty-four thousand, five hundred sixty-one".