80811051447852 has 96 divisors (see below), whose sum is σ = 228591861926400. Its totient is φ = 24484409611200.

The previous prime is 80811051447803. The next prime is 80811051447859. The reversal of 80811051447852 is 25874415011808.

80811051447852 is a `hidden beast` number, since 8 + 0 + 8 + 1 + 1 + 0 + 514 + 4 + 78 + 52 = 666.

It is a super-2 number, since 2×80811051447852² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (80811051447859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2427577 + ... + 12942767.

It is an arithmetic number, because the mean of its divisors is an integer number (2381165228400).

Almost surely, 2^{80811051447852} is an apocalyptic number.

It is an amenable number.

80811051447852 is an abundant number, since it is smaller than the sum of its proper divisors (147780810478548).

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

80811051447852 is a wasteful number, since it uses less digits than its factorization.

80811051447852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521684 (or 10521676 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 54.

The spelling of 80811051447852 in words is "eighty trillion, eight hundred eleven billion, fifty-one million, four hundred forty-seven thousand, eight hundred fifty-two".