11417170321 has 2 divisors, whose sum is σ = 11417170322. Its totient is φ = 11417170320.

The previous prime is 11417170231. The next prime is 11417170337. The reversal of 11417170321 is 12307171411.

Together with previous prime (11417170231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10880784721 + 536385600 = 104311^2 + 23160^2 .

It is a cyclic number.

It is not a de Polignac number, because 11417170321 - 2²¹ = 11415073169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11417170321.

It is not a weakly prime, because it can be changed into another prime (11417170021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5708585160 + 5708585161.

It is an arithmetic number, because the mean of its divisors is an integer number (5708585161).

Almost surely, 2^11417170321 is an apocalyptic number.

It is an amenable number.

11417170321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11417170321 is an equidigital number, since it uses as much as digits as its factorization.

11417170321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

The spelling of 11417170321 in words is "eleven billion, four hundred seventeen million, one hundred seventy thousand, three hundred twenty-one".