11665262863 has 2 divisors, whose sum is σ = 11665262864. Its totient is φ = 11665262862.

The previous prime is 11665262839. The next prime is 11665262879. The reversal of 11665262863 is 36826256611.

It is a strong prime.

It is an emirp because it is prime and its reverse (36826256611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11665262863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11665262263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5832631431 + 5832631432.

It is an arithmetic number, because the mean of its divisors is an integer number (5832631432).

Almost surely, 2^11665262863 is an apocalyptic number.

11665262863 is a deficient number, since it is larger than the sum of its proper divisors (1).

11665262863 is an equidigital number, since it uses as much as digits as its factorization.

11665262863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The spelling of 11665262863 in words is "eleven billion, six hundred sixty-five million, two hundred sixty-two thousand, eight hundred sixty-three".