80215511104643 has 8 divisors (see below), whose sum is σ = 81575311854960. Its totient is φ = 78855717548320.

The previous prime is 80215511104627. The next prime is 80215511104661. The reversal of 80215511104643 is 34640111551208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80215511104643 - 2⁴ = 80215511104627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80215511104643.

It is not an unprimeable number, because it can be changed into a prime (80215511104343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23738753 + ... + 26906493.

It is an arithmetic number, because the mean of its divisors is an integer number (10196913981870).

Almost surely, 2^{80215511104643} is an apocalyptic number.

80215511104643 is a deficient number, since it is larger than the sum of its proper divisors (1359800750317).

80215511104643 is a wasteful number, since it uses less digits than its factorization.

80215511104643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596997.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 80215511104643 in words is "eighty trillion, two hundred fifteen billion, five hundred eleven million, one hundred four thousand, six hundred forty-three".