158715730000 has 50 divisors (see below), whose sum is σ = 384266678114. Its totient is φ = 63486288000.

The previous prime is 158715729989. The next prime is 158715730009. The reversal of 158715730000 is 37517851.

It can be written as a sum of positive squares in 5 ways, for example, as 17481070656 + 141234659344 = 132216^2 + 375812^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158715730009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7925787 + ... + 7945786.

Almost surely, 2^158715730000 is an apocalyptic number.

158715730000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158715730000 is an abundant number, since it is smaller than the sum of its proper divisors (225550948114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158715730000 is an equidigital number, since it uses as much as digits as its factorization.

158715730000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871601 (or 15871580 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 158715730000 in words is "one hundred fifty-eight billion, seven hundred fifteen million, seven hundred thirty thousand".