138060825555 has 16 divisors (see below), whose sum is σ = 220917186720. Its totient is φ = 73625818368.

The previous prime is 138060825479. The next prime is 138060825571. The reversal of 138060825555 is 555528060831.

It is not a de Polignac number, because 138060825555 - 2¹⁵ = 138060792787 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239140 + ... + 577329.

It is an arithmetic number, because the mean of its divisors is an integer number (13807324170).

Almost surely, 2^138060825555 is an apocalyptic number.

138060825555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138060825555 is a deficient number, since it is larger than the sum of its proper divisors (82856361165).

138060825555 is a wasteful number, since it uses less digits than its factorization.

138060825555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827750.

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 138060825555 in words is "one hundred thirty-eight billion, sixty million, eight hundred twenty-five thousand, five hundred fifty-five".