60211020491 has 2 divisors, whose sum is σ = 60211020492. Its totient is φ = 60211020490.

The previous prime is 60211020469. The next prime is 60211020533. The reversal of 60211020491 is 19402011206.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60211020491 - 2¹⁰ = 60211019467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60211020491.

It is not a weakly prime, because it can be changed into another prime (60211025491) 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, 30105510245 + 30105510246.

It is an arithmetic number, because the mean of its divisors is an integer number (30105510246).

Almost surely, 2^60211020491 is an apocalyptic number.

60211020491 is a deficient number, since it is larger than the sum of its proper divisors (1).

60211020491 is an equidigital number, since it uses as much as digits as its factorization.

60211020491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 60211020491 its reverse (19402011206), we get a palindrome (79613031697).

The spelling of 60211020491 in words is "sixty billion, two hundred eleven million, twenty thousand, four hundred ninety-one".