80307023771521 has 12 divisors (see below), whose sum is σ = 87046873576212. Its totient is φ = 74024112937824.

The previous prime is 80307023771519. The next prime is 80307023771539. The reversal of 80307023771521 is 12517732070308.

It can be written as a sum of positive squares in 2 ways, for example, as 35965928065600 + 44341095705921 = 5997160^2 + 6658911^2 .

It is not a de Polignac number, because 80307023771521 - 2¹ = 80307023771519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80307023771591) 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, 3006164070 + ... + 3006190783.

It is an arithmetic number, because the mean of its divisors is an integer number (7253906131351).

Almost surely, 2^{80307023771521} is an apocalyptic number.

It is an amenable number.

80307023771521 is a deficient number, since it is larger than the sum of its proper divisors (6739849804691).

80307023771521 is a wasteful number, since it uses less digits than its factorization.

80307023771521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012354928 (or 6012354909 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 80307023771521 in words is "eighty trillion, three hundred seven billion, twenty-three million, seven hundred seventy-one thousand, five hundred twenty-one".