263881325311 has 2 divisors, whose sum is σ = 263881325312. Its totient is φ = 263881325310.

The previous prime is 263881325299. The next prime is 263881325321. The reversal of 263881325311 is 113523188362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263881325311 - 2⁹ = 263881324799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263881325321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131940662655 + 131940662656.

It is an arithmetic number, because the mean of its divisors is an integer number (131940662656).

Almost surely, 2^263881325311 is an apocalyptic number.

263881325311 is a deficient number, since it is larger than the sum of its proper divisors (1).

263881325311 is an equidigital number, since it uses as much as digits as its factorization.

263881325311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The spelling of 263881325311 in words is "two hundred sixty-three billion, eight hundred eighty-one million, three hundred twenty-five thousand, three hundred eleven".