20145356401411 has 2 divisors, whose sum is σ = 20145356401412. Its totient is φ = 20145356401410.

The previous prime is 20145356401351. The next prime is 20145356401463. The reversal of 20145356401411 is 11410465354102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20145356401411 - 2⁹ = 20145356400899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20145356401211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072678200705 + 10072678200706.

It is an arithmetic number, because the mean of its divisors is an integer number (10072678200706).

Almost surely, 2^{20145356401411} is an apocalyptic number.

20145356401411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20145356401411 is an equidigital number, since it uses as much as digits as its factorization.

20145356401411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 20145356401411 in words is "twenty trillion, one hundred forty-five billion, three hundred fifty-six million, four hundred one thousand, four hundred eleven".