80845155363 has 128 divisors (see below), whose sum is σ = 136378777600. Its totient is φ = 41573855232.

The previous prime is 80845155361. The next prime is 80845155371. The reversal of 80845155363 is 36355154808.

It is not a de Polignac number, because 80845155363 - 2¹ = 80845155361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80845155361) 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 127 ways as a sum of consecutive naturals, for example, 120126195 + ... + 120126867.

It is an arithmetic number, because the mean of its divisors is an integer number (1065459200).

Almost surely, 2^80845155363 is an apocalyptic number.

80845155363 is a deficient number, since it is larger than the sum of its proper divisors (55533622237).

80845155363 is a wasteful number, since it uses less digits than its factorization.

80845155363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 80845155363 in words is "eighty billion, eight hundred forty-five million, one hundred fifty-five thousand, three hundred sixty-three".