6172811447225 has 12 divisors (see below), whose sum is σ = 7654449042240. Its totient is φ = 4938144094800.

The previous prime is 6172811447207. The next prime is 6172811447267. The reversal of 6172811447225 is 5227441182716.

It is not a de Polignac number, because 6172811447225 - 2¹⁸ = 6172811185081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1417085 + ... + 3788634.

It is an arithmetic number, because the mean of its divisors is an integer number (637870753520).

Almost surely, 2^{6172811447225} is an apocalyptic number.

It is an amenable number.

6172811447225 is a deficient number, since it is larger than the sum of its proper divisors (1481637595015).

6172811447225 is a wasteful number, since it uses less digits than its factorization.

6172811447225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253160 (or 5253155 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The spelling of 6172811447225 in words is "six trillion, one hundred seventy-two billion, eight hundred eleven million, four hundred forty-seven thousand, two hundred twenty-five".