51504374021441 has 16 divisors (see below), whose sum is σ = 56309293152000. Its totient is φ = 46719975504000.

The previous prime is 51504374021383. The next prime is 51504374021447. The reversal of 51504374021441 is 14412047340515.

It is a cyclic number.

It is not a de Polignac number, because 51504374021441 - 2¹⁰ = 51504374020417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51504374021447) 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 15 ways as a sum of consecutive naturals, for example, 12964835 + ... + 16464983.

It is an arithmetic number, because the mean of its divisors is an integer number (3519330822000).

Almost surely, 2^{51504374021441} is an apocalyptic number.

It is an amenable number.

51504374021441 is a deficient number, since it is larger than the sum of its proper divisors (4804919130559).

51504374021441 is a wasteful number, since it uses less digits than its factorization.

51504374021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503080.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 51504374021441 in words is "fifty-one trillion, five hundred four billion, three hundred seventy-four million, twenty-one thousand, four hundred forty-one".