1518347745353 has 2 divisors, whose sum is σ = 1518347745354. Its totient is φ = 1518347745352.

The previous prime is 1518347745323. The next prime is 1518347745367. The reversal of 1518347745353 is 3535477438151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820033480249 + 698314265104 = 905557^2 + 835652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1518347745353 - 2¹² = 1518347741257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1518347745323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759173872676 + 759173872677.

It is an arithmetic number, because the mean of its divisors is an integer number (759173872677).

Almost surely, 2^{1518347745353} is an apocalyptic number.

It is an amenable number.

1518347745353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518347745353 is an equidigital number, since it uses as much as digits as its factorization.

1518347745353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168000, while the sum is 56.

The spelling of 1518347745353 in words is "one trillion, five hundred eighteen billion, three hundred forty-seven million, seven hundred forty-five thousand, three hundred fifty-three".