225576781563315 has 64 divisors (see below), whose sum is σ = 446538460741632. Its totient is φ = 94690075161600.

The previous prime is 225576781563277. The next prime is 225576781563347. The reversal of 225576781563315 is 513365187675522.

It is a happy number.

It is not a de Polignac number, because 225576781563315 - 2¹⁵ = 225576781530547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 432351106 + ... + 432872535.

It is an arithmetic number, because the mean of its divisors is an integer number (6977163449088).

Almost surely, 2^{225576781563315} is an apocalyptic number.

225576781563315 is a deficient number, since it is larger than the sum of its proper divisors (220961679178317).

225576781563315 is a wasteful number, since it uses less digits than its factorization.

225576781563315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865223860.

The product of its digits is 317520000, while the sum is 66.

The spelling of 225576781563315 in words is "two hundred twenty-five trillion, five hundred seventy-six billion, seven hundred eighty-one million, five hundred sixty-three thousand, three hundred fifteen".