10161422113561 has 2 divisors, whose sum is σ = 10161422113562. Its totient is φ = 10161422113560.

The previous prime is 10161422113541. The next prime is 10161422113597. The reversal of 10161422113561 is 16531122416101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8322469147161 + 1838952966400 = 2884869^2 + 1356080^2 .

It is a cyclic number.

It is not a de Polignac number, because 10161422113561 - 2¹⁵ = 10161422080793 is a prime.

It is not a weakly prime, because it can be changed into another prime (10161422113541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080711056780 + 5080711056781.

It is an arithmetic number, because the mean of its divisors is an integer number (5080711056781).

Almost surely, 2^{10161422113561} is an apocalyptic number.

It is an amenable number.

10161422113561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10161422113561 is an equidigital number, since it uses as much as digits as its factorization.

10161422113561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 10161422113561 its reverse (16531122416101), we get a palindrome (26692544529662).

The spelling of 10161422113561 in words is "ten trillion, one hundred sixty-one billion, four hundred twenty-two million, one hundred thirteen thousand, five hundred sixty-one".