225023020415156 has 6 divisors (see below), whose sum is σ = 393790285726530. Its totient is φ = 112511510207576.

The previous prime is 225023020415147. The next prime is 225023020415243. The reversal of 225023020415156 is 651514020320522.

It can be written as a sum of positive squares in only one way, i.e., 224978520512656 + 44499902500 = 14999284^2 + 210950^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28127877551891 + ... + 28127877551898.

It is an arithmetic number, because the mean of its divisors is an integer number (65631714287755).

Almost surely, 2^{225023020415156} is an apocalyptic number.

It is an amenable number.

225023020415156 is a deficient number, since it is larger than the sum of its proper divisors (168767265311374).

225023020415156 is a wasteful number, since it uses less digits than its factorization.

225023020415156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56255755103793 (or 56255755103791 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 225023020415156 its reverse (651514020320522), we get a palindrome (876537040735678).

The spelling of 225023020415156 in words is "two hundred twenty-five trillion, twenty-three billion, twenty million, four hundred fifteen thousand, one hundred fifty-six".