51455524640041 has 2 divisors, whose sum is σ = 51455524640042. Its totient is φ = 51455524640040.

The previous prime is 51455524640033. The next prime is 51455524640119. The reversal of 51455524640041 is 14004642555415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29034542033641 + 22420982606400 = 5388371^2 + 4735080^2 .

It is a cyclic number.

It is not a de Polignac number, because 51455524640041 - 2³ = 51455524640033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51455524639973 and 51455524640000.

It is not a weakly prime, because it can be changed into another prime (51455524641041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25727762320020 + 25727762320021.

It is an arithmetic number, because the mean of its divisors is an integer number (25727762320021).

Almost surely, 2^{51455524640041} is an apocalyptic number.

It is an amenable number.

51455524640041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51455524640041 is an equidigital number, since it uses as much as digits as its factorization.

51455524640041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920000, while the sum is 46.

The spelling of 51455524640041 in words is "fifty-one trillion, four hundred fifty-five billion, five hundred twenty-four million, six hundred forty thousand, forty-one".