1405061319911 has 2 divisors, whose sum is σ = 1405061319912. Its totient is φ = 1405061319910.

The previous prime is 1405061319859. The next prime is 1405061319923. The reversal of 1405061319911 is 1199131605041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1405061319911 - 2⁶ = 1405061319847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1405061319971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702530659955 + 702530659956.

It is an arithmetic number, because the mean of its divisors is an integer number (702530659956).

Almost surely, 2^{1405061319911} is an apocalyptic number.

1405061319911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405061319911 is an equidigital number, since it uses as much as digits as its factorization.

1405061319911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 41.

The spelling of 1405061319911 in words is "one trillion, four hundred five billion, sixty-one million, three hundred nineteen thousand, nine hundred eleven".