1421642361611 has 2 divisors, whose sum is σ = 1421642361612. Its totient is φ = 1421642361610.

The previous prime is 1421642361523. The next prime is 1421642361631. The reversal of 1421642361611 is 1161632461241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421642361611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421642361631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710821180805 + 710821180806.

It is an arithmetic number, because the mean of its divisors is an integer number (710821180806).

Almost surely, 2^{1421642361611} is an apocalyptic number.

1421642361611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421642361611 is an equidigital number, since it uses as much as digits as its factorization.

1421642361611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The spelling of 1421642361611 in words is "one trillion, four hundred twenty-one billion, six hundred forty-two million, three hundred sixty-one thousand, six hundred eleven".