67112755559 has 4 divisors (see below), whose sum is σ = 67166490000. Its totient is φ = 67059021120.

The previous prime is 67112755547. The next prime is 67112755597. The reversal of 67112755559 is 95555721176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67112755559 - 2¹⁶ = 67112690023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67112755559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67112755459) 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 in 3 ways as a sum of consecutive naturals, for example, 26865347 + ... + 26867844.

It is an arithmetic number, because the mean of its divisors is an integer number (16791622500).

Almost surely, 2^67112755559 is an apocalyptic number.

67112755559 is a deficient number, since it is larger than the sum of its proper divisors (53734441).

67112755559 is a wasteful number, since it uses less digits than its factorization.

67112755559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53734440.

The product of its digits is 3307500, while the sum is 53.

The spelling of 67112755559 in words is "sixty-seven billion, one hundred twelve million, seven hundred fifty-five thousand, five hundred fifty-nine".