271230556811 has 2 divisors, whose sum is σ = 271230556812. Its totient is φ = 271230556810.

The previous prime is 271230556801. The next prime is 271230556813. The reversal of 271230556811 is 118655032172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271230556811 is a prime.

Together with 271230556813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271230556813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135615278405 + 135615278406.

It is an arithmetic number, because the mean of its divisors is an integer number (135615278406).

Almost surely, 2^271230556811 is an apocalyptic number.

271230556811 is a deficient number, since it is larger than the sum of its proper divisors (1).

271230556811 is an equidigital number, since it uses as much as digits as its factorization.

271230556811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

Adding to 271230556811 its reverse (118655032172), we get a palindrome (389885588983).

The spelling of 271230556811 in words is "two hundred seventy-one billion, two hundred thirty million, five hundred fifty-six thousand, eight hundred eleven".