51066452141533 has 4 divisors (see below), whose sum is σ = 51067131752700. Its totient is φ = 51065772530368.

The previous prime is 51066452141513. The next prime is 51066452141561. The reversal of 51066452141533 is 33514125466015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3344081514489 + 47722370627044 = 1828683^2 + 6908138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51066452141533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51066452141513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339692860 + ... + 339843157.

It is an arithmetic number, because the mean of its divisors is an integer number (12766782938175).

Almost surely, 2^{51066452141533} is an apocalyptic number.

It is an amenable number.

51066452141533 is a deficient number, since it is larger than the sum of its proper divisors (679611167).

51066452141533 is an equidigital number, since it uses as much as digits as its factorization.

51066452141533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679611166.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 51066452141533 in words is "fifty-one trillion, sixty-six billion, four hundred fifty-two million, one hundred forty-one thousand, five hundred thirty-three".