4312156566225 has 24 divisors (see below), whose sum is σ = 7131669620320. Its totient is φ = 2299095083520.

The previous prime is 4312156566199. The next prime is 4312156566233. The reversal of 4312156566225 is 5226656512134.

It is not a de Polignac number, because 4312156566225 - 2¹⁶ = 4312156500689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8781280 + ... + 9259329.

Almost surely, 2^{4312156566225} is an apocalyptic number.

It is an amenable number.

4312156566225 is a deficient number, since it is larger than the sum of its proper divisors (2819513054095).

4312156566225 is a wasteful number, since it uses less digits than its factorization.

4312156566225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18043809 (or 18043804 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The spelling of 4312156566225 in words is "four trillion, three hundred twelve billion, one hundred fifty-six million, five hundred sixty-six thousand, two hundred twenty-five".