1318948086199 has 2 divisors, whose sum is σ = 1318948086200. Its totient is φ = 1318948086198.

The previous prime is 1318948086179. The next prime is 1318948086227. The reversal of 1318948086199 is 9916808498131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1318948086199 - 2²³ = 1318939697591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318948086119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659474043099 + 659474043100.

It is an arithmetic number, because the mean of its divisors is an integer number (659474043100).

Almost surely, 2^{1318948086199} is an apocalyptic number.

1318948086199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318948086199 is an equidigital number, since it uses as much as digits as its factorization.

1318948086199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 67.

The spelling of 1318948086199 in words is "one trillion, three hundred eighteen billion, nine hundred forty-eight million, eighty-six thousand, one hundred ninety-nine".