80142906645359 has 4 divisors (see below), whose sum is σ = 81848074871904. Its totient is φ = 78437738418816.

The previous prime is 80142906645353. The next prime is 80142906645409. The reversal of 80142906645359 is 95354660924108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80142906645359 - 2³² = 80138611678063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80142906645353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852584113202 + ... + 852584113295.

It is an arithmetic number, because the mean of its divisors is an integer number (20462018717976).

Almost surely, 2^{80142906645359} is an apocalyptic number.

80142906645359 is a deficient number, since it is larger than the sum of its proper divisors (1705168226545).

80142906645359 is a wasteful number, since it uses less digits than its factorization.

80142906645359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705168226544.

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 80142906645359 in words is "eighty trillion, one hundred forty-two billion, nine hundred six million, six hundred forty-five thousand, three hundred fifty-nine".