158571703485507 has 16 divisors (see below), whose sum is σ = 227694340167840. Its totient is φ = 97581884877312.

The previous prime is 158571703485487. The next prime is 158571703485551. The reversal of 158571703485507 is 705584307175851.

It is not a de Polignac number, because 158571703485507 - 2⁶ = 158571703485443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158571703485577) 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, 9104532 + ... + 20000897.

It is an arithmetic number, because the mean of its divisors is an integer number (14230896260490).

Almost surely, 2^{158571703485507} is an apocalyptic number.

158571703485507 is a deficient number, since it is larger than the sum of its proper divisors (69122636682333).

158571703485507 is a wasteful number, since it uses less digits than its factorization.

158571703485507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29245142.

The product of its (nonzero) digits is 164640000, while the sum is 66.

The spelling of 158571703485507 in words is "one hundred fifty-eight trillion, five hundred seventy-one billion, seven hundred three million, four hundred eighty-five thousand, five hundred seven".