5151273419561 has 2 divisors, whose sum is σ = 5151273419562. Its totient is φ = 5151273419560.

The previous prime is 5151273419531. The next prime is 5151273419569. The reversal of 5151273419561 is 1659143721515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5140281993961 + 10991425600 = 2267219^2 + 104840^2 .

It is a cyclic number.

It is not a de Polignac number, because 5151273419561 - 2⁴² = 753226908457 is a prime.

It is not a weakly prime, because it can be changed into another prime (5151273419569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575636709780 + 2575636709781.

It is an arithmetic number, because the mean of its divisors is an integer number (2575636709781).

Almost surely, 2^{5151273419561} is an apocalyptic number.

It is an amenable number.

5151273419561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151273419561 is an equidigital number, since it uses as much as digits as its factorization.

5151273419561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 50.

The spelling of 5151273419561 in words is "five trillion, one hundred fifty-one billion, two hundred seventy-three million, four hundred nineteen thousand, five hundred sixty-one".