6211011889441 has 2 divisors, whose sum is σ = 6211011889442. Its totient is φ = 6211011889440.

The previous prime is 6211011889399. The next prime is 6211011889451. The reversal of 6211011889441 is 1449881101126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4806929085841 + 1404082803600 = 2192471^2 + 1184940^2 .

It is a cyclic number.

It is not a de Polignac number, because 6211011889441 - 2⁹ = 6211011888929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6211011889391 and 6211011889400.

It is not a weakly prime, because it can be changed into another prime (6211011889451) 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, 3105505944720 + 3105505944721.

It is an arithmetic number, because the mean of its divisors is an integer number (3105505944721).

Almost surely, 2^{6211011889441} is an apocalyptic number.

It is an amenable number.

6211011889441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6211011889441 is an equidigital number, since it uses as much as digits as its factorization.

6211011889441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 46.

The spelling of 6211011889441 in words is "six trillion, two hundred eleven billion, eleven million, eight hundred eighty-nine thousand, four hundred forty-one".