51171155041 has 2 divisors, whose sum is σ = 51171155042. Its totient is φ = 51171155040.

The previous prime is 51171155033. The next prime is 51171155047. The reversal of 51171155041 is 14055117115.

51171155041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47569354816 + 3601800225 = 218104^2 + 60015^2 .

It is a cyclic number.

It is not a de Polignac number, because 51171155041 - 2³ = 51171155033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51171154994 and 51171155012.

It is not a weakly prime, because it can be changed into another prime (51171155047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25585577520 + 25585577521.

It is an arithmetic number, because the mean of its divisors is an integer number (25585577521).

Almost surely, 2^51171155041 is an apocalyptic number.

It is an amenable number.

51171155041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51171155041 is an equidigital number, since it uses as much as digits as its factorization.

51171155041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3500, while the sum is 31.

The spelling of 51171155041 in words is "fifty-one billion, one hundred seventy-one million, one hundred fifty-five thousand, forty-one".