11285911021417 has 2 divisors, whose sum is σ = 11285911021418. Its totient is φ = 11285911021416.

The previous prime is 11285911021409. The next prime is 11285911021421. The reversal of 11285911021417 is 71412011958211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11285911021401 + 16 = 3359451^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 11285911021417 - 2³ = 11285911021409 is a prime.

It is not a weakly prime, because it can be changed into another prime (11285911021717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5642955510708 + 5642955510709.

It is an arithmetic number, because the mean of its divisors is an integer number (5642955510709).

Almost surely, 2^{11285911021417} is an apocalyptic number.

It is an amenable number.

11285911021417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11285911021417 is an equidigital number, since it uses as much as digits as its factorization.

11285911021417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 43.

Adding to 11285911021417 its reverse (71412011958211), we get a palindrome (82697922979628).

The spelling of 11285911021417 in words is "eleven trillion, two hundred eighty-five billion, nine hundred eleven million, twenty-one thousand, four hundred seventeen".