158711 has 12 divisors (see below), whose sum is σ = 191520. Its totient is φ = 131040.

The previous prime is 158699. The next prime is 158731. The reversal of 158711 is 117851.

It is not a de Polignac number, because 158711 - 2⁶ = 158647 is a prime.

158711 is a modest number, since divided by 711 gives 158 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1970 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2¹⁵⁸⁷¹¹ is an apocalyptic number.

158711 is a deficient number, since it is larger than the sum of its proper divisors (32809).

158711 is an equidigital number, since it uses as much as digits as its factorization.

158711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 127 counting only the distinct ones).

The product of its digits is 280, while the sum is 23.

The square root of 158711 is about 398.3854917037. The cubic root of 158711 is about 54.1421722256.

The spelling of 158711 in words is "one hundred fifty-eight thousand, seven hundred eleven".