158582515632025 has 9 divisors (see below), whose sum is σ = 196642397460063. Its totient is φ = 126865962133800.

The previous prime is 158582515631951. The next prime is 158582515632031. The reversal of 158582515632025 is 520236515285851.

The square root of 158582515632025 is 12592955.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 57089705627529 + 101492810004496 = 7555773^2 + 10074364^2 .

It is not a de Polignac number, because 158582515632025 - 2¹¹ = 158582515629977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 61705480 + ... + 64224070.

Almost surely, 2^{158582515632025} is an apocalyptic number.

158582515632025 is the 12592955-th square number.

158582515632025 is the 6296478-th centered octagonal number.

It is an amenable number.

158582515632025 is a deficient number, since it is larger than the sum of its proper divisors (38059881828038).

158582515632025 is an frugal number, since it uses more digits than its factorization.

158582515632025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037192 (or 2518596 counting only the distinct ones).

The product of its (nonzero) digits is 28800000, while the sum is 58.

The spelling of 158582515632025 in words is "one hundred fifty-eight trillion, five hundred eighty-two billion, five hundred fifteen million, six hundred thirty-two thousand, twenty-five".