80681259585 has 32 divisors (see below), whose sum is σ = 129646902528. Its totient is φ = 42844757760.

The previous prime is 80681259583. The next prime is 80681259647. The reversal of 80681259585 is 58595218608.

It is not a de Polignac number, because 80681259585 - 2¹ = 80681259583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80681259583) 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, 3519019 + ... + 3541871.

It is an arithmetic number, because the mean of its divisors is an integer number (4051465704).

Almost surely, 2^80681259585 is an apocalyptic number.

It is an amenable number.

80681259585 is a deficient number, since it is larger than the sum of its proper divisors (48965642943).

80681259585 is a wasteful number, since it uses less digits than its factorization.

80681259585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23865.

The product of its (nonzero) digits is 6912000, while the sum is 57.

The spelling of 80681259585 in words is "eighty billion, six hundred eighty-one million, two hundred fifty-nine thousand, five hundred eighty-five".