158099314800025 has 81 divisors (see below), whose sum is σ = 211821551467743. Its totient is φ = 117044558743200.

The previous prime is 158099314800001. The next prime is 158099314800073. The reversal of 158099314800025 is 520008413990851.

The square root of 158099314800025 is 12573755.

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., 56915753328009 + 101183561472016 = 7544253^2 + 10059004^2 .

It is not a de Polignac number, because 158099314800025 - 2²¹ = 158099312702873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 44825434812 + ... + 44825438338.

Almost surely, 2^{158099314800025} is an apocalyptic number.

158099314800025 is the 12573755-th square number.

158099314800025 is the 6286878-th centered octagonal number.

It is an amenable number.

158099314800025 is a deficient number, since it is larger than the sum of its proper divisors (53722236667718).

158099314800025 is an frugal number, since it uses more digits than its factorization.

158099314800025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172 (or 3586 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 158099314800025 in words is "one hundred fifty-eight trillion, ninety-nine billion, three hundred fourteen million, eight hundred thousand, twenty-five".