51541620468803 has 2 divisors, whose sum is σ = 51541620468804. Its totient is φ = 51541620468802.

The previous prime is 51541620468773. The next prime is 51541620468817. The reversal of 51541620468803 is 30886402614515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51541620468803 - 2²⁴ = 51541603691587 is a prime.

It is not a weakly prime, because it can be changed into another prime (51541620468853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25770810234401 + 25770810234402.

It is an arithmetic number, because the mean of its divisors is an integer number (25770810234402).

Almost surely, 2^{51541620468803} is an apocalyptic number.

51541620468803 is a deficient number, since it is larger than the sum of its proper divisors (1).

51541620468803 is an equidigital number, since it uses as much as digits as its factorization.

51541620468803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 51541620468803 in words is "fifty-one trillion, five hundred forty-one billion, six hundred twenty million, four hundred sixty-eight thousand, eight hundred three".