80255128499 has 32 divisors (see below), whose sum is σ = 105855912960. Its totient is φ = 59096138112.

The previous prime is 80255128493. The next prime is 80255128501. The reversal of 80255128499 is 99482155208.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80255128499 - 2³⁶ = 11535651763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80255128499.

It is not an unprimeable number, because it can be changed into a prime (80255128493) 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 31 ways as a sum of consecutive naturals, for example, 440729 + ... + 595610.

It is an arithmetic number, because the mean of its divisors is an integer number (3307997280).

Almost surely, 2^80255128499 is an apocalyptic number.

80255128499 is a deficient number, since it is larger than the sum of its proper divisors (25600784461).

80255128499 is a wasteful number, since it uses less digits than its factorization.

80255128499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036419.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 80255128499 in words is "eighty billion, two hundred fifty-five million, one hundred twenty-eight thousand, four hundred ninety-nine".