20144646753811 has 2 divisors, whose sum is σ = 20144646753812. Its totient is φ = 20144646753810.

The previous prime is 20144646753769. The next prime is 20144646753817. The reversal of 20144646753811 is 11835764644102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20144646753811 - 2³⁵ = 20110287015443 is a prime.

It is not a weakly prime, because it can be changed into another prime (20144646753817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072323376905 + 10072323376906.

It is an arithmetic number, because the mean of its divisors is an integer number (10072323376906).

Almost surely, 2^{20144646753811} is an apocalyptic number.

20144646753811 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144646753811 is an equidigital number, since it uses as much as digits as its factorization.

20144646753811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 20144646753811 in words is "twenty trillion, one hundred forty-four billion, six hundred forty-six million, seven hundred fifty-three thousand, eight hundred eleven".