138567084511 has 2 divisors, whose sum is σ = 138567084512. Its totient is φ = 138567084510.

The previous prime is 138567084497. The next prime is 138567084521. The reversal of 138567084511 is 115480765831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138567084511 - 2¹⁷ = 138566953439 is a prime.

It is a super-2 number, since 2×138567084511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138567084521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69283542255 + 69283542256.

It is an arithmetic number, because the mean of its divisors is an integer number (69283542256).

Almost surely, 2^138567084511 is an apocalyptic number.

138567084511 is a deficient number, since it is larger than the sum of its proper divisors (1).

138567084511 is an equidigital number, since it uses as much as digits as its factorization.

138567084511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 138567084511 in words is "one hundred thirty-eight billion, five hundred sixty-seven million, eighty-four thousand, five hundred eleven".