80142906645361 has 16 divisors (see below), whose sum is σ = 92622758215680. Its totient is φ = 67925078539920.

The previous prime is 80142906645353. The next prime is 80142906645409. The reversal of 80142906645361 is 16354660924108.

It is not a de Polignac number, because 80142906645361 - 2³ = 80142906645353 is a prime.

It is a super-3 number, since 3×80142906645361³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80142906645311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179244801 + ... + 179691358.

It is an arithmetic number, because the mean of its divisors is an integer number (5788922388480).

Almost surely, 2^{80142906645361} is an apocalyptic number.

It is an amenable number.

80142906645361 is a deficient number, since it is larger than the sum of its proper divisors (12479851570319).

80142906645361 is a wasteful number, since it uses less digits than its factorization.

80142906645361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358936524.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 80142906645361 in words is "eighty trillion, one hundred forty-two billion, nine hundred six million, six hundred forty-five thousand, three hundred sixty-one".