1161745712643 has 16 divisors (see below), whose sum is σ = 1551440956320. Its totient is φ = 773274380544.

The previous prime is 1161745712471. The next prime is 1161745712713. The reversal of 1161745712643 is 3462175471611.

It is not a de Polignac number, because 1161745712643 - 2¹⁴ = 1161745696259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1161745712592 and 1161745712601.

It is not an unprimeable number, because it can be changed into a prime (1161745713643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8262453 + ... + 8401881.

It is an arithmetic number, because the mean of its divisors is an integer number (96965059770).

Almost surely, 2^{1161745712643} is an apocalyptic number.

1161745712643 is a deficient number, since it is larger than the sum of its proper divisors (389695243677).

1161745712643 is a wasteful number, since it uses less digits than its factorization.

1161745712643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143798.

The product of its digits is 846720, while the sum is 48.

The spelling of 1161745712643 in words is "one trillion, one hundred sixty-one billion, seven hundred forty-five million, seven hundred twelve thousand, six hundred forty-three".