2158423549159 has 16 divisors (see below), whose sum is σ = 2303653478400. Its totient is φ = 2015226670464.

The previous prime is 2158423549157. The next prime is 2158423549171. The reversal of 2158423549159 is 9519453248512.

It is a cyclic number.

It is not a de Polignac number, because 2158423549159 - 2¹ = 2158423549157 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 (2158423549157) 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, 20066082 + ... + 20173360.

It is an arithmetic number, because the mean of its divisors is an integer number (143978342400).

Almost surely, 2^{2158423549159} is an apocalyptic number.

2158423549159 is a deficient number, since it is larger than the sum of its proper divisors (145229929241).

2158423549159 is a wasteful number, since it uses less digits than its factorization.

2158423549159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116742.

The product of its digits is 15552000, while the sum is 58.

The spelling of 2158423549159 in words is "two trillion, one hundred fifty-eight billion, four hundred twenty-three million, five hundred forty-nine thousand, one hundred fifty-nine".