11611057417 has 2 divisors, whose sum is σ = 11611057418. Its totient is φ = 11611057416.

The previous prime is 11611057411. The next prime is 11611057421. The reversal of 11611057417 is 71475011611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6232155136 + 5378902281 = 78944^2 + 73341^2 .

It is an emirp because it is prime and its reverse (71475011611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11611057417 is a prime.

It is not a weakly prime, because it can be changed into another prime (11611057411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805528708 + 5805528709.

It is an arithmetic number, because the mean of its divisors is an integer number (5805528709).

Almost surely, 2^11611057417 is an apocalyptic number.

It is an amenable number.

11611057417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611057417 is an equidigital number, since it uses as much as digits as its factorization.

11611057417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 34.

The spelling of 11611057417 in words is "eleven billion, six hundred eleven million, fifty-seven thousand, four hundred seventeen".