15226326025 has 81 divisors (see below), whose sum is σ = 21008695071. Its totient is φ = 10945630080.

The previous prime is 15226326007. The next prime is 15226326067. The reversal of 15226326025 is 52062362251.

The square root of 15226326025 is 123395.

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

It can be written as a sum of positive squares in 13 ways, for example, as 2854658041 + 12371667984 = 53429^2 + 111228^2 .

It is not a de Polignac number, because 15226326025 - 2¹¹ = 15226323977 is a prime.

It is a Duffinian number.

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, 411522307 + ... + 411522343.

Almost surely, 2^15226326025 is an apocalyptic number.

15226326025 is the 123395-th square number.

15226326025 is the 61698-th centered octagonal number.

It is an amenable number.

15226326025 is a deficient number, since it is larger than the sum of its proper divisors (5782369046).

15226326025 is an equidigital number, since it uses as much as digits as its factorization.

15226326025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 15226326025 its reverse (52062362251), we get a palindrome (67288688276).

The spelling of 15226326025 in words is "fifteen billion, two hundred twenty-six million, three hundred twenty-six thousand, twenty-five".