80995374066050 has 24 divisors (see below), whose sum is σ = 150651914168196. Its totient is φ = 32398038141440.

The previous prime is 80995374066037. The next prime is 80995374066053. The reversal of 80995374066050 is 5066047359908.

It is a Cunningham number, because it is equal to 8999743²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 2081697810481 + 78913676255569 = 1442809^2 + 8883337^2 .

It is not an unprimeable number, because it can be changed into a prime (80995374066053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12745514 + ... + 18012186.

Almost surely, 2^{80995374066050} is an apocalyptic number.

80995374066050 is a deficient number, since it is larger than the sum of its proper divisors (69656540102146).

80995374066050 is a wasteful number, since it uses less digits than its factorization.

80995374066050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574262 (or 5574257 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 80995374066050 in words is "eighty trillion, nine hundred ninety-five billion, three hundred seventy-four million, sixty-six thousand, fifty".