2118867380207 has 2 divisors, whose sum is σ = 2118867380208. Its totient is φ = 2118867380206.

The previous prime is 2118867380197. The next prime is 2118867380213. The reversal of 2118867380207 is 7020837688112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2118867380207 - 2⁴ = 2118867380191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118867380297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059433690103 + 1059433690104.

It is an arithmetic number, because the mean of its divisors is an integer number (1059433690104).

Almost surely, 2^{2118867380207} is an apocalyptic number.

2118867380207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118867380207 is an equidigital number, since it uses as much as digits as its factorization.

2118867380207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 2118867380207 in words is "two trillion, one hundred eighteen billion, eight hundred sixty-seven million, three hundred eighty thousand, two hundred seven".