425511444410111 has 2 divisors, whose sum is σ = 425511444410112. Its totient is φ = 425511444410110.

The previous prime is 425511444410069. The next prime is 425511444410159. The reversal of 425511444410111 is 111014444115524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425511444410111 - 2¹⁸ = 425511444147967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425511444410191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212755722205055 + 212755722205056.

It is an arithmetic number, because the mean of its divisors is an integer number (212755722205056).

Almost surely, 2^{425511444410111} is an apocalyptic number.

425511444410111 is a deficient number, since it is larger than the sum of its proper divisors (1).

425511444410111 is an equidigital number, since it uses as much as digits as its factorization.

425511444410111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51200, while the sum is 38.

Adding to 425511444410111 its reverse (111014444115524), we get a palindrome (536525888525635).

The spelling of 425511444410111 in words is "four hundred twenty-five trillion, five hundred eleven billion, four hundred forty-four million, four hundred ten thousand, one hundred eleven".