15189330025 has 15 divisors (see below), whose sum is σ = 18955504931. Its totient is φ = 12074066160.

The previous prime is 15189330001. The next prime is 15189330047. The reversal of 15189330025 is 52003398151.

It is a happy number.

The square root of 15189330025 is 123245.

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

It can be written as a sum of positive squares in 7 ways, for example, as 14485807449 + 703522576 = 120357^2 + 26524^2 .

It is not a de Polignac number, because 15189330025 - 2¹⁵ = 15189297257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 96747247 + ... + 96747403.

Almost surely, 2^15189330025 is an apocalyptic number.

15189330025 is the 123245-th square number.

15189330025 is the 61623-rd centered octagonal number.

It is an amenable number.

15189330025 is a deficient number, since it is larger than the sum of its proper divisors (3766174906).

15189330025 is an frugal number, since it uses more digits than its factorization.

15189330025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

Multiplying 15189330025 by its product of nonzero digits (32400), we get a 4-th power (492134292810000 = 4710⁴).

The spelling of 15189330025 in words is "fifteen billion, one hundred eighty-nine million, three hundred thirty thousand, twenty-five".