21073642483111 has 2 divisors, whose sum is σ = 21073642483112. Its totient is φ = 21073642483110.

The previous prime is 21073642483067. The next prime is 21073642483163. The reversal of 21073642483111 is 11138424637012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21073642483111 - 2²³ = 21073634094503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21073642423111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10536821241555 + 10536821241556.

It is an arithmetic number, because the mean of its divisors is an integer number (10536821241556).

Almost surely, 2^{21073642483111} is an apocalyptic number.

21073642483111 is a deficient number, since it is larger than the sum of its proper divisors (1).

21073642483111 is an equidigital number, since it uses as much as digits as its factorization.

21073642483111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 21073642483111 in words is "twenty-one trillion, seventy-three billion, six hundred forty-two million, four hundred eighty-three thousand, one hundred eleven".