158723712015 has 24 divisors (see below), whose sum is σ = 279143853744. Its totient is φ = 76956950400.

The previous prime is 158723711999. The next prime is 158723712053. The reversal of 158723712015 is 510217327851.

158723712015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158723712015 - 2⁴ = 158723711999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43723726 + ... + 43727355.

It is an arithmetic number, because the mean of its divisors is an integer number (11630993906).

Almost surely, 2^158723712015 is an apocalyptic number.

158723712015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158723712015 is a deficient number, since it is larger than the sum of its proper divisors (120420141729).

158723712015 is a wasteful number, since it uses less digits than its factorization.

158723712015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87451111 (or 87451100 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 158723712015 in words is "one hundred fifty-eight billion, seven hundred twenty-three million, seven hundred twelve thousand, fifteen".