80505553917936 has 80 divisors (see below), whose sum is σ = 237688498668800. Its totient is φ = 23001060893184.

The previous prime is 80505553917923. The next prime is 80505553917947. The reversal of 80505553917936 is 63971935550508.

It is a super-3 number, since 3×80505553917936³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12096675 + ... + 17531133.

It is an arithmetic number, because the mean of its divisors is an integer number (2971106233360).

Almost surely, 2^{80505553917936} is an apocalyptic number.

It is an amenable number.

80505553917936 is an abundant number, since it is smaller than the sum of its proper divisors (157182944750864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80505553917936 is a wasteful number, since it uses less digits than its factorization.

80505553917936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478566 (or 5478560 counting only the distinct ones).

The product of its (nonzero) digits is 153090000, while the sum is 66.

The spelling of 80505553917936 in words is "eighty trillion, five hundred five billion, five hundred fifty-three million, nine hundred seventeen thousand, nine hundred thirty-six".