80142364009391 has 16 divisors (see below), whose sum is σ = 84548526624000. Its totient is φ = 75755157686208.

The previous prime is 80142364009373. The next prime is 80142364009403. The reversal of 80142364009391 is 19390046324108.

It is not a de Polignac number, because 80142364009391 - 2²⁶ = 80142296900527 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 (80142364009891) 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, 18367571 + ... + 22308123.

It is an arithmetic number, because the mean of its divisors is an integer number (5284282914000).

Almost surely, 2^{80142364009391} is an apocalyptic number.

80142364009391 is a deficient number, since it is larger than the sum of its proper divisors (4406162614609).

80142364009391 is a wasteful number, since it uses less digits than its factorization.

80142364009391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942958.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 80142364009391 in words is "eighty trillion, one hundred forty-two billion, three hundred sixty-four million, nine thousand, three hundred ninety-one".