158391570212871 has 4 divisors (see below), whose sum is σ = 211188760283832. Its totient is φ = 105594380141912.

The previous prime is 158391570212849. The next prime is 158391570212893. The reversal of 158391570212871 is 178212075193851.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (158391570212849) and next prime (158391570212893).

It is a cyclic number.

It is not a de Polignac number, because 158391570212871 - 2²³ = 158391561824263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158391570211871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26398595035476 + ... + 26398595035481.

It is an arithmetic number, because the mean of its divisors is an integer number (52797190070958).

Almost surely, 2^{158391570212871} is an apocalyptic number.

158391570212871 is a deficient number, since it is larger than the sum of its proper divisors (52797190070961).

158391570212871 is an equidigital number, since it uses as much as digits as its factorization.

158391570212871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52797190070960.

The product of its (nonzero) digits is 8467200, while the sum is 60.

The spelling of 158391570212871 in words is "one hundred fifty-eight trillion, three hundred ninety-one billion, five hundred seventy million, two hundred twelve thousand, eight hundred seventy-one".