158871455975 has 24 divisors (see below), whose sum is σ = 198387302400. Its totient is φ = 126205089120.

The previous prime is 158871455947. The next prime is 158871455983. The reversal of 158871455975 is 579554178851.

It is not a de Polignac number, because 158871455975 - 2¹⁶ = 158871390439 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2470682 + ... + 2534168.

It is an arithmetic number, because the mean of its divisors is an integer number (8266137600).

Almost surely, 2^158871455975 is an apocalyptic number.

158871455975 is a deficient number, since it is larger than the sum of its proper divisors (39515846425).

158871455975 is a wasteful number, since it uses less digits than its factorization.

158871455975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64199 (or 64194 counting only the distinct ones).

The product of its digits is 70560000, while the sum is 65.

The spelling of 158871455975 in words is "one hundred fifty-eight billion, eight hundred seventy-one million, four hundred fifty-five thousand, nine hundred seventy-five".