15627750708025 has 27 divisors (see below), whose sum is σ = 19433443955373. Its totient is φ = 12466795752000.

The previous prime is 15627750708013. The next prime is 15627750708049. The reversal of 15627750708025 is 52080705772651.

It is a happy number.

The square root of 15627750708025 is 3953195.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4390479050409 + 11237271657616 = 2095347^2 + 3352204^2 .

It is not a de Polignac number, because 15627750708025 - 2²⁹ = 15627213837113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8677262125 + ... + 8677263925.

Almost surely, 2^{15627750708025} is an apocalyptic number.

15627750708025 is the 3953195-th square number.

15627750708025 is the 1976598-th centered octagonal number.

It is an amenable number.

15627750708025 is a deficient number, since it is larger than the sum of its proper divisors (3805693247348).

15627750708025 is an frugal number, since it uses more digits than its factorization.

15627750708025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 55.

The spelling of 15627750708025 in words is "fifteen trillion, six hundred twenty-seven billion, seven hundred fifty million, seven hundred eight thousand, twenty-five".