158283431517 has 4 divisors (see below), whose sum is σ = 211044575360. Its totient is φ = 105522287676.

The previous prime is 158283431491. The next prime is 158283431563. The reversal of 158283431517 is 715134382851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 158283431517 - 2⁸ = 158283431261 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 (158283431587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26380571917 + ... + 26380571922.

It is an arithmetic number, because the mean of its divisors is an integer number (52761143840).

Almost surely, 2^158283431517 is an apocalyptic number.

It is an amenable number.

158283431517 is a deficient number, since it is larger than the sum of its proper divisors (52761143843).

158283431517 is an equidigital number, since it uses as much as digits as its factorization.

158283431517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52761143842.

The product of its digits is 806400, while the sum is 48.

The spelling of 158283431517 in words is "one hundred fifty-eight billion, two hundred eighty-three million, four hundred thirty-one thousand, five hundred seventeen".