1725105516413 has 2 divisors, whose sum is σ = 1725105516414. Its totient is φ = 1725105516412.

The previous prime is 1725105516353. The next prime is 1725105516419. The reversal of 1725105516413 is 3146155015271.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1646196773764 + 78908742649 = 1283042^2 + 280907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1725105516413 - 2¹⁰ = 1725105515389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1725105516419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862552758206 + 862552758207.

It is an arithmetic number, because the mean of its divisors is an integer number (862552758207).

Almost surely, 2^{1725105516413} is an apocalyptic number.

It is an amenable number.

1725105516413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725105516413 is an equidigital number, since it uses as much as digits as its factorization.

1725105516413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 1725105516413 in words is "one trillion, seven hundred twenty-five billion, one hundred five million, five hundred sixteen thousand, four hundred thirteen".