51352225291 has 2 divisors, whose sum is σ = 51352225292. Its totient is φ = 51352225290.

The previous prime is 51352225279. The next prime is 51352225343. The reversal of 51352225291 is 19252225315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51352225291 - 2⁷ = 51352225163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51352225291.

It is not a weakly prime, because it can be changed into another prime (51352225231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25676112645 + 25676112646.

It is an arithmetic number, because the mean of its divisors is an integer number (25676112646).

Almost surely, 2^51352225291 is an apocalyptic number.

51352225291 is a deficient number, since it is larger than the sum of its proper divisors (1).

51352225291 is an equidigital number, since it uses as much as digits as its factorization.

51352225291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The spelling of 51352225291 in words is "fifty-one billion, three hundred fifty-two million, two hundred twenty-five thousand, two hundred ninety-one".