225126115251025 has 24 divisors (see below), whose sum is σ = 295578381248280. Its totient is φ = 169506128732160.

The previous prime is 225126115251017. The next prime is 225126115251041. The reversal of 225126115251025 is 520152511621522.

It can be written as a sum of positive squares in 12 ways, for example, as 44649030452049 + 180477084798976 = 6681993^2 + 13434176^2 .

It is not a de Polignac number, because 225126115251025 - 2³ = 225126115251017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149196541 + ... + 150697909.

It is an arithmetic number, because the mean of its divisors is an integer number (12315765885345).

Almost surely, 2^{225126115251025} is an apocalyptic number.

225126115251025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225126115251025 is a deficient number, since it is larger than the sum of its proper divisors (70452265997255).

225126115251025 is a wasteful number, since it uses less digits than its factorization.

225126115251025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854213 (or 1854208 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

Adding to 225126115251025 its reverse (520152511621522), we get a palindrome (745278626872547).

The spelling of 225126115251025 in words is "two hundred twenty-five trillion, one hundred twenty-six billion, one hundred fifteen million, two hundred fifty-one thousand, twenty-five".