2118132781307 has 2 divisors, whose sum is σ = 2118132781308. Its totient is φ = 2118132781306.

The previous prime is 2118132781279. The next prime is 2118132781321. The reversal of 2118132781307 is 7031872318112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2118132781307 - 2³⁶ = 2049413304571 is a prime.

It is not a weakly prime, because it can be changed into another prime (2118132781607) 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, 1059066390653 + 1059066390654.

It is an arithmetic number, because the mean of its divisors is an integer number (1059066390654).

Almost surely, 2^{2118132781307} is an apocalyptic number.

2118132781307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118132781307 is an equidigital number, since it uses as much as digits as its factorization.

2118132781307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 2118132781307 in words is "two trillion, one hundred eighteen billion, one hundred thirty-two million, seven hundred eighty-one thousand, three hundred seven".