10956591161 has 2 divisors, whose sum is σ = 10956591162. Its totient is φ = 10956591160.

The previous prime is 10956591131. The next prime is 10956591197. The reversal of 10956591161 is 16119565901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10687631161 + 268960000 = 103381^2 + 16400^2 .

It is a cyclic number.

It is not a de Polignac number, because 10956591161 - 2¹⁴ = 10956574777 is a prime.

It is not a weakly prime, because it can be changed into another prime (10956591131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5478295580 + 5478295581.

It is an arithmetic number, because the mean of its divisors is an integer number (5478295581).

Almost surely, 2^10956591161 is an apocalyptic number.

It is an amenable number.

10956591161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10956591161 is an equidigital number, since it uses as much as digits as its factorization.

10956591161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 44.

The spelling of 10956591161 in words is "ten billion, nine hundred fifty-six million, five hundred ninety-one thousand, one hundred sixty-one".