11315051317 has 2 divisors, whose sum is σ = 11315051318. Its totient is φ = 11315051316.

The previous prime is 11315051303. The next prime is 11315051339. The reversal of 11315051317 is 71315051311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10988490276 + 326561041 = 104826^2 + 18071^2 .

It is a cyclic number.

It is not a de Polignac number, because 11315051317 - 2²⁷ = 11180833589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11315052317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657525658 + 5657525659.

It is an arithmetic number, because the mean of its divisors is an integer number (5657525659).

Almost surely, 2^11315051317 is an apocalyptic number.

It is an amenable number.

11315051317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11315051317 is an equidigital number, since it uses as much as digits as its factorization.

11315051317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 28.

The spelling of 11315051317 in words is "eleven billion, three hundred fifteen million, fifty-one thousand, three hundred seventeen".