1065140024661 has 8 divisors (see below), whose sum is σ = 1577985221760. Its totient is φ = 710093349756.

The previous prime is 1065140024657. The next prime is 1065140024671. The reversal of 1065140024661 is 1664200415601.

1065140024661 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 1 + 400 + 246 + 6 + 1 = 666.

It is not a de Polignac number, because 1065140024661 - 2² = 1065140024657 is a prime.

It is a super-2 number, since 2×1065140024661² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065140024671) 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, 19724815245 + ... + 19724815298.

It is an arithmetic number, because the mean of its divisors is an integer number (197248152720).

Almost surely, 2^{1065140024661} is an apocalyptic number.

It is an amenable number.

1065140024661 is a deficient number, since it is larger than the sum of its proper divisors (512845197099).

1065140024661 is an equidigital number, since it uses as much as digits as its factorization.

1065140024661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39449630552 (or 39449630546 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1065140024661 in words is "one trillion, sixty-five billion, one hundred forty million, twenty-four thousand, six hundred sixty-one".