1440321204911 has 2 divisors, whose sum is σ = 1440321204912. Its totient is φ = 1440321204910.

The previous prime is 1440321204859. The next prime is 1440321204919. The reversal of 1440321204911 is 1194021230441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440321204911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440321204919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720160602455 + 720160602456.

It is an arithmetic number, because the mean of its divisors is an integer number (720160602456).

Almost surely, 2^{1440321204911} is an apocalyptic number.

1440321204911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440321204911 is an equidigital number, since it uses as much as digits as its factorization.

1440321204911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 1440321204911 in words is "one trillion, four hundred forty billion, three hundred twenty-one million, two hundred four thousand, nine hundred eleven".