225261144125 has 8 divisors (see below), whose sum is σ = 281125908024. Its totient is φ = 180208915200.

The previous prime is 225261144107. The next prime is 225261144203. The reversal of 225261144125 is 521441162522.

It can be written as a sum of positive squares in 4 ways, for example, as 5493329689 + 219767814436 = 74117^2 + 468794^2 .

It is not a de Polignac number, because 225261144125 - 2⁸ = 225261143869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901044452 + ... + 901044701.

It is an arithmetic number, because the mean of its divisors is an integer number (35140738503).

Almost surely, 2^225261144125 is an apocalyptic number.

225261144125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225261144125 is a deficient number, since it is larger than the sum of its proper divisors (55864763899).

225261144125 is an equidigital number, since it uses as much as digits as its factorization.

225261144125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802089168 (or 1802089158 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The spelling of 225261144125 in words is "two hundred twenty-five billion, two hundred sixty-one million, one hundred forty-four thousand, one hundred twenty-five".