1218602361607 has 2 divisors, whose sum is σ = 1218602361608. Its totient is φ = 1218602361606.

The previous prime is 1218602361527. The next prime is 1218602361623. The reversal of 1218602361607 is 7061632068121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7061632068121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1218602361607 - 2³¹ = 1216454877959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1218602367607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609301180803 + 609301180804.

It is an arithmetic number, because the mean of its divisors is an integer number (609301180804).

Almost surely, 2^{1218602361607} is an apocalyptic number.

1218602361607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1218602361607 is an equidigital number, since it uses as much as digits as its factorization.

1218602361607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 1218602361607 in words is "one trillion, two hundred eighteen billion, six hundred two million, three hundred sixty-one thousand, six hundred seven".