80127140121599 has 16 divisors (see below), whose sum is σ = 83789933825664. Its totient is φ = 76555058580000.

The previous prime is 80127140121593. The next prime is 80127140121673. The reversal of 80127140121599 is 99512104172108.

It is a cyclic number.

It is not a de Polignac number, because 80127140121599 - 2⁴⁰ = 79027628493823 is a prime.

It is a super-3 number, since 3×80127140121599³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80127140121593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52355777 + ... + 53864474.

It is an arithmetic number, because the mean of its divisors is an integer number (5236870864104).

Almost surely, 2^{80127140121599} is an apocalyptic number.

80127140121599 is a deficient number, since it is larger than the sum of its proper divisors (3662793704065).

80127140121599 is a wasteful number, since it uses less digits than its factorization.

80127140121599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106220678.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 80127140121599 in words is "eighty trillion, one hundred twenty-seven billion, one hundred forty million, one hundred twenty-one thousand, five hundred ninety-nine".