11317854641 has 2 divisors, whose sum is σ = 11317854642. Its totient is φ = 11317854640.

The previous prime is 11317854619. The next prime is 11317854649. The reversal of 11317854641 is 14645871311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7103118400 + 4214736241 = 84280^2 + 64921^2 .

It is a cyclic number.

It is not a de Polignac number, because 11317854641 - 2³⁰ = 10244112817 is a prime.

It is not a weakly prime, because it can be changed into another prime (11317854649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5658927320 + 5658927321.

It is an arithmetic number, because the mean of its divisors is an integer number (5658927321).

Almost surely, 2^11317854641 is an apocalyptic number.

It is an amenable number.

11317854641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11317854641 is an equidigital number, since it uses as much as digits as its factorization.

11317854641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The spelling of 11317854641 in words is "eleven billion, three hundred seventeen million, eight hundred fifty-four thousand, six hundred forty-one".