51152008544401 has 2 divisors, whose sum is σ = 51152008544402. Its totient is φ = 51152008544400.

The previous prime is 51152008544347. The next prime is 51152008544491. The reversal of 51152008544401 is 10444580025115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34448447718400 + 16703560826001 = 5869280^2 + 4086999^2 .

It is a cyclic number.

It is not a de Polignac number, because 51152008544401 - 2¹¹ = 51152008542353 is a prime.

It is not a weakly prime, because it can be changed into another prime (51152008544491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576004272200 + 25576004272201.

It is an arithmetic number, because the mean of its divisors is an integer number (25576004272201).

Almost surely, 2^{51152008544401} is an apocalyptic number.

It is an amenable number.

51152008544401 is a deficient number, since it is larger than the sum of its proper divisors (1).

51152008544401 is an equidigital number, since it uses as much as digits as its factorization.

51152008544401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128000, while the sum is 40.

Adding to 51152008544401 its reverse (10444580025115), we get a palindrome (61596588569516).

The spelling of 51152008544401 in words is "fifty-one trillion, one hundred fifty-two billion, eight million, five hundred forty-four thousand, four hundred one".