11217581759 has 2 divisors, whose sum is σ = 11217581760. Its totient is φ = 11217581758.

The previous prime is 11217581743. The next prime is 11217581761. The reversal of 11217581759 is 95718571211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (95718571211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11217581759 - 2⁴ = 11217581743 is a prime.

Together with 11217581761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11217586759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608790879 + 5608790880.

It is an arithmetic number, because the mean of its divisors is an integer number (5608790880).

Almost surely, 2^11217581759 is an apocalyptic number.

11217581759 is a deficient number, since it is larger than the sum of its proper divisors (1).

11217581759 is an equidigital number, since it uses as much as digits as its factorization.

11217581759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 47.

The spelling of 11217581759 in words is "eleven billion, two hundred seventeen million, five hundred eighty-one thousand, seven hundred fifty-nine".