80805550825029 has 64 divisors (see below), whose sum is σ = 109927279411200. Its totient is φ = 52791637248000.

The previous prime is 80805550825007. The next prime is 80805550825033. The reversal of 80805550825029 is 92052805550808.

It is a de Polignac number, because none of the positive numbers 2^k-80805550825029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80805550825029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80805550825099) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17881288032 + ... + 17881292550.

It is an arithmetic number, because the mean of its divisors is an integer number (1717613740800).

Almost surely, 2^{80805550825029} is an apocalyptic number.

It is an amenable number.

80805550825029 is a deficient number, since it is larger than the sum of its proper divisors (29121728586171).

80805550825029 is a wasteful number, since it uses less digits than its factorization.

80805550825029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346.

The product of its (nonzero) digits is 11520000, while the sum is 57.

The spelling of 80805550825029 in words is "eighty trillion, eight hundred five billion, five hundred fifty million, eight hundred twenty-five thousand, twenty-nine".