3518782511243 has 2 divisors, whose sum is σ = 3518782511244. Its totient is φ = 3518782511242.

The previous prime is 3518782511227. The next prime is 3518782511267. The reversal of 3518782511243 is 3421152878153.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3518782511243 - 2⁴ = 3518782511227 is a prime.

It is a super-2 number, since 2×3518782511243² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3518782511191 and 3518782511200.

It is not a weakly prime, because it can be changed into another prime (3508782511243) 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, 1759391255621 + 1759391255622.

It is an arithmetic number, because the mean of its divisors is an integer number (1759391255622).

Almost surely, 2^{3518782511243} is an apocalyptic number.

3518782511243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3518782511243 is an equidigital number, since it uses as much as digits as its factorization.

3518782511243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The spelling of 3518782511243 in words is "three trillion, five hundred eighteen billion, seven hundred eighty-two million, five hundred eleven thousand, two hundred forty-three".