1115166166139 has 2 divisors, whose sum is σ = 1115166166140. Its totient is φ = 1115166166138.

The previous prime is 1115166166111. The next prime is 1115166166253. The reversal of 1115166166139 is 9316616615111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115166166139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115166166093 and 1115166166102.

It is not a weakly prime, because it can be changed into another prime (1115166160139) 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, 557583083069 + 557583083070.

It is an arithmetic number, because the mean of its divisors is an integer number (557583083070).

Almost surely, 2^{1115166166139} is an apocalyptic number.

1115166166139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115166166139 is an equidigital number, since it uses as much as digits as its factorization.

1115166166139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 47.

The spelling of 1115166166139 in words is "one trillion, one hundred fifteen billion, one hundred sixty-six million, one hundred sixty-six thousand, one hundred thirty-nine".