447116531572811 has 2 divisors, whose sum is σ = 447116531572812. Its totient is φ = 447116531572810.

The previous prime is 447116531572757. The next prime is 447116531572873. The reversal of 447116531572811 is 118275135611744.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447116531572811 is a prime.

It is not a weakly prime, because it can be changed into another prime (447116531572211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223558265786405 + 223558265786406.

It is an arithmetic number, because the mean of its divisors is an integer number (223558265786406).

Almost surely, 2^{447116531572811} is an apocalyptic number.

447116531572811 is a deficient number, since it is larger than the sum of its proper divisors (1).

447116531572811 is an equidigital number, since it uses as much as digits as its factorization.

447116531572811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 56.

The spelling of 447116531572811 in words is "four hundred forty-seven trillion, one hundred sixteen billion, five hundred thirty-one million, five hundred seventy-two thousand, eight hundred eleven".