225543353015 has 16 divisors (see below), whose sum is σ = 277163845632. Its totient is φ = 176114392224.

The previous prime is 225543352963. The next prime is 225543353017. The reversal of 225543353015 is 510353345522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225543353015 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225543353015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225543353017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221329 + ... + 1393818.

It is an arithmetic number, because the mean of its divisors is an integer number (17322740352).

Almost surely, 2^225543353015 is an apocalyptic number.

225543353015 is a deficient number, since it is larger than the sum of its proper divisors (51620492617).

225543353015 is a wasteful number, since it uses less digits than its factorization.

225543353015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615566.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 225543353015 its reverse (510353345522), we get a palindrome (735896698537).

The spelling of 225543353015 in words is "two hundred twenty-five billion, five hundred forty-three million, three hundred fifty-three thousand, fifteen".