9661141120843 has 2 divisors, whose sum is σ = 9661141120844. Its totient is φ = 9661141120842.

The previous prime is 9661141120819. The next prime is 9661141120889. The reversal of 9661141120843 is 3480211411669.

9661141120843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9661141120889) can be obtained adding 9661141120843 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9661141120843 - 2⁵ = 9661141120811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9661141120793 and 9661141120802.

It is not a weakly prime, because it can be changed into another prime (9661145120843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830570560421 + 4830570560422.

It is an arithmetic number, because the mean of its divisors is an integer number (4830570560422).

Almost surely, 2^{9661141120843} is an apocalyptic number.

9661141120843 is a deficient number, since it is larger than the sum of its proper divisors (1).

9661141120843 is an equidigital number, since it uses as much as digits as its factorization.

9661141120843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 9661141120843 in words is "nine trillion, six hundred sixty-one billion, one hundred forty-one million, one hundred twenty thousand, eight hundred forty-three".