80185197120 has 112 divisors (see below), whose sum is σ = 290957739648. Its totient is φ = 18328043520.

The previous prime is 80185197109. The next prime is 80185197121. The reversal of 80185197120 is 2179158108.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (80185197121) by changing a digit.

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, 5959441 + ... + 5972880.

Almost surely, 2^80185197120 is an apocalyptic number.

80185197120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80185197120 is an abundant number, since it is smaller than the sum of its proper divisors (210772542528).

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

80185197120 is a wasteful number, since it uses less digits than its factorization.

80185197120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932348 (or 11932338 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 42.

The spelling of 80185197120 in words is "eighty billion, one hundred eighty-five million, one hundred ninety-seven thousand, one hundred twenty".