1001863664911 has 2 divisors, whose sum is σ = 1001863664912. Its totient is φ = 1001863664910.

The previous prime is 1001863664899. The next prime is 1001863664939. The reversal of 1001863664911 is 1194663681001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001863664911 - 2⁷ = 1001863664783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001863664951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500931832455 + 500931832456.

It is an arithmetic number, because the mean of its divisors is an integer number (500931832456).

Almost surely, 2^{1001863664911} is an apocalyptic number.

1001863664911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001863664911 is an equidigital number, since it uses as much as digits as its factorization.

1001863664911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 1001863664911 in words is "one trillion, one billion, eight hundred sixty-three million, six hundred sixty-four thousand, nine hundred eleven".