225539811489 has 4 divisors (see below), whose sum is σ = 300719748656. Its totient is φ = 150359874324.

The previous prime is 225539811479. The next prime is 225539811493. The reversal of 225539811489 is 984118935522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225539811489 - 2¹² = 225539807393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225539811439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37589968579 + ... + 37589968584.

It is an arithmetic number, because the mean of its divisors is an integer number (75179937164).

Almost surely, 2^225539811489 is an apocalyptic number.

It is an amenable number.

225539811489 is a deficient number, since it is larger than the sum of its proper divisors (75179937167).

225539811489 is an equidigital number, since it uses as much as digits as its factorization.

225539811489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75179937166.

The product of its digits is 6220800, while the sum is 57.

The spelling of 225539811489 in words is "two hundred twenty-five billion, five hundred thirty-nine million, eight hundred eleven thousand, four hundred eighty-nine".