80180733708405 has 96 divisors (see below), whose sum is σ = 158117510073600. Its totient is φ = 38518850367360.

The previous prime is 80180733708337. The next prime is 80180733708407. The reversal of 80180733708405 is 50480733708108.

It is not a de Polignac number, because 80180733708405 - 2²⁵ = 80180700153973 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80180733708407) 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 95 ways as a sum of consecutive naturals, for example, 20735649 + ... + 24296678.

It is an arithmetic number, because the mean of its divisors is an integer number (1647057396600).

Almost surely, 2^{80180733708405} is an apocalyptic number.

It is an amenable number.

80180733708405 is a deficient number, since it is larger than the sum of its proper divisors (77936776365195).

80180733708405 is a wasteful number, since it uses less digits than its factorization.

80180733708405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45032472 (or 45032455 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 80180733708405 in words is "eighty trillion, one hundred eighty billion, seven hundred thirty-three million, seven hundred eight thousand, four hundred five".