138675494611 has 2 divisors, whose sum is σ = 138675494612. Its totient is φ = 138675494610.

The previous prime is 138675494569. The next prime is 138675494621. The reversal of 138675494611 is 116494576831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138675494611 - 2¹⁷ = 138675363539 is a prime.

It is not a weakly prime, because it can be changed into another prime (138675494621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69337747305 + 69337747306.

It is an arithmetic number, because the mean of its divisors is an integer number (69337747306).

Almost surely, 2^138675494611 is an apocalyptic number.

138675494611 is a deficient number, since it is larger than the sum of its proper divisors (1).

138675494611 is an equidigital number, since it uses as much as digits as its factorization.

138675494611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 55.

The spelling of 138675494611 in words is "one hundred thirty-eight billion, six hundred seventy-five million, four hundred ninety-four thousand, six hundred eleven".