11459678917 has 2 divisors, whose sum is σ = 11459678918. Its totient is φ = 11459678916.

The previous prime is 11459678873. The next prime is 11459678927. The reversal of 11459678917 is 71987695411.

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., 11127929121 + 331749796 = 105489^2 + 18214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11459678917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11459678927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5729839458 + 5729839459.

It is an arithmetic number, because the mean of its divisors is an integer number (5729839459).

Almost surely, 2^11459678917 is an apocalyptic number.

It is an amenable number.

11459678917 is a deficient number, since it is larger than the sum of its proper divisors (1).

11459678917 is an equidigital number, since it uses as much as digits as its factorization.

11459678917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 58.

The spelling of 11459678917 in words is "eleven billion, four hundred fifty-nine million, six hundred seventy-eight thousand, nine hundred seventeen".