225111645546 has 16 divisors (see below), whose sum is σ = 450381687264. Its totient is φ = 75010815824.

The previous prime is 225111645541. The next prime is 225111645553. The reversal of 225111645546 is 645546111522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 225111645498 and 225111645507.

It is not an unprimeable number, because it can be changed into a prime (225111645541) 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, 6581361 + ... + 6615476.

It is an arithmetic number, because the mean of its divisors is an integer number (28148855454).

Almost surely, 2^225111645546 is an apocalyptic number.

225111645546 is an abundant number, since it is smaller than the sum of its proper divisors (225270041718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225111645546 is a wasteful number, since it uses less digits than its factorization.

225111645546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199685.

The product of its digits is 288000, while the sum is 42.

The spelling of 225111645546 in words is "two hundred twenty-five billion, one hundred eleven million, six hundred forty-five thousand, five hundred forty-six".