1745040718523 has 2 divisors, whose sum is σ = 1745040718524. Its totient is φ = 1745040718522.

The previous prime is 1745040718469. The next prime is 1745040718543. The reversal of 1745040718523 is 3258170405471.

It is a strong prime.

It is an emirp because it is prime and its reverse (3258170405471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1745040718523 - 2¹² = 1745040714427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1745040718543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872520359261 + 872520359262.

It is an arithmetic number, because the mean of its divisors is an integer number (872520359262).

Almost surely, 2^{1745040718523} is an apocalyptic number.

1745040718523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745040718523 is an equidigital number, since it uses as much as digits as its factorization.

1745040718523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 1745040718523 in words is "one trillion, seven hundred forty-five billion, forty million, seven hundred eighteen thousand, five hundred twenty-three".