3561136426241 has 2 divisors, whose sum is σ = 3561136426242. Its totient is φ = 3561136426240.

The previous prime is 3561136426217. The next prime is 3561136426273. The reversal of 3561136426241 is 1426246311653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2099612592016 + 1461523834225 = 1449004^2 + 1208935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3561136426241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3561136426192 and 3561136426201.

It is not a weakly prime, because it can be changed into another prime (3561136426291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780568213120 + 1780568213121.

It is an arithmetic number, because the mean of its divisors is an integer number (1780568213121).

Almost surely, 2^{3561136426241} is an apocalyptic number.

It is an amenable number.

3561136426241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561136426241 is an equidigital number, since it uses as much as digits as its factorization.

3561136426241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The spelling of 3561136426241 in words is "three trillion, five hundred sixty-one billion, one hundred thirty-six million, four hundred twenty-six thousand, two hundred forty-one".