80861552544960 has 2016 divisors, whose sum is σ = 327016073180160. Its totient is φ = 18990470062080.

The previous prime is 80861552544959. The next prime is 80861552544961. The reversal of 80861552544960 is 6944525516808.

80861552544960 is a `hidden beast` number, since 8 + 0 + 8 + 6 + 1 + 5 + 525 + 4 + 49 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (80861552544959) and next prime (80861552544961).

It is not an unprimeable number, because it can be changed into a prime (80861552544961) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 124979215357 + ... + 124979216003.

It is an arithmetic number, because the mean of its divisors is an integer number (162210353760).

Almost surely, 2^{80861552544960} is an apocalyptic number.

80861552544960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80861552544960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163508036590080).

80861552544960 is an abundant number, since it is smaller than the sum of its proper divisors (246154520635200).

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

80861552544960 is a wasteful number, since it uses less digits than its factorization.

80861552544960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 63.

The spelling of 80861552544960 in words is "eighty trillion, eight hundred sixty-one billion, five hundred fifty-two million, five hundred forty-four thousand, nine hundred sixty".