465520054121 has 2 divisors, whose sum is σ = 465520054122. Its totient is φ = 465520054120.

The previous prime is 465520054061. The next prime is 465520054229. The reversal of 465520054121 is 121450025564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297391352896 + 168128701225 = 545336^2 + 410035^2 .

It is a cyclic number.

It is not a de Polignac number, because 465520054121 - 2¹⁴ = 465520037737 is a prime.

It is not a weakly prime, because it can be changed into another prime (465520051121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232760027060 + 232760027061.

It is an arithmetic number, because the mean of its divisors is an integer number (232760027061).

Almost surely, 2^465520054121 is an apocalyptic number.

It is an amenable number.

465520054121 is a deficient number, since it is larger than the sum of its proper divisors (1).

465520054121 is an equidigital number, since it uses as much as digits as its factorization.

465520054121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 465520054121 its reverse (121450025564), we get a palindrome (586970079685).

The spelling of 465520054121 in words is "four hundred sixty-five billion, five hundred twenty million, fifty-four thousand, one hundred twenty-one".