51641520506041 has 2 divisors, whose sum is σ = 51641520506042. Its totient is φ = 51641520506040.

The previous prime is 51641520506033. The next prime is 51641520506143. The reversal of 51641520506041 is 14060502514615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46368200736400 + 5273319769641 = 6809420^2 + 2296371^2 .

It is a cyclic number.

It is not a de Polignac number, because 51641520506041 - 2³ = 51641520506033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51641520505985 and 51641520506003.

It is not a weakly prime, because it can be changed into another prime (51641520506011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25820760253020 + 25820760253021.

It is an arithmetic number, because the mean of its divisors is an integer number (25820760253021).

Almost surely, 2^{51641520506041} is an apocalyptic number.

It is an amenable number.

51641520506041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51641520506041 is an equidigital number, since it uses as much as digits as its factorization.

51641520506041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 51641520506041 in words is "fifty-one trillion, six hundred forty-one billion, five hundred twenty million, five hundred six thousand, forty-one".