225531655126 has 16 divisors (see below), whose sum is σ = 339764971104. Its totient is φ = 112277579904.

The previous prime is 225531655123. The next prime is 225531655163. The reversal of 225531655126 is 621556135522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225531655123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265791 + ... + 722293.

It is an arithmetic number, because the mean of its divisors is an integer number (21235310694).

Almost surely, 2^225531655126 is an apocalyptic number.

225531655126 is a deficient number, since it is larger than the sum of its proper divisors (114233315978).

225531655126 is a wasteful number, since it uses less digits than its factorization.

225531655126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457575.

The product of its digits is 540000, while the sum is 43.

The spelling of 225531655126 in words is "two hundred twenty-five billion, five hundred thirty-one million, six hundred fifty-five thousand, one hundred twenty-six".