51277525841 has 2 divisors, whose sum is σ = 51277525842. Its totient is φ = 51277525840.

The previous prime is 51277525837. The next prime is 51277525891. The reversal of 51277525841 is 14852577215.

It is a happy number.

51277525841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35927307025 + 15350218816 = 189545^2 + 123896^2 .

It is a cyclic number.

It is not a de Polignac number, because 51277525841 - 2² = 51277525837 is a prime.

It is not a weakly prime, because it can be changed into another prime (51277525891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25638762920 + 25638762921.

It is an arithmetic number, because the mean of its divisors is an integer number (25638762921).

Almost surely, 2^51277525841 is an apocalyptic number.

It is an amenable number.

51277525841 is a deficient number, since it is larger than the sum of its proper divisors (1).

51277525841 is an equidigital number, since it uses as much as digits as its factorization.

51277525841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 784000, while the sum is 47.

The spelling of 51277525841 in words is "fifty-one billion, two hundred seventy-seven million, five hundred twenty-five thousand, eight hundred forty-one".