11487417169 has 2 divisors, whose sum is σ = 11487417170. Its totient is φ = 11487417168.

The previous prime is 11487417131. The next prime is 11487417199. The reversal of 11487417169 is 96171478411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10834103569 + 653313600 = 104087^2 + 25560^2 .

It is an emirp because it is prime and its reverse (96171478411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11487417169 - 2³¹ = 9339933521 is a prime.

It is a super-2 number, since 2×11487417169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11487417199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743708584 + 5743708585.

It is an arithmetic number, because the mean of its divisors is an integer number (5743708585).

Almost surely, 2^11487417169 is an apocalyptic number.

It is an amenable number.

11487417169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11487417169 is an equidigital number, since it uses as much as digits as its factorization.

11487417169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 49.

The spelling of 11487417169 in words is "eleven billion, four hundred eighty-seven million, four hundred seventeen thousand, one hundred sixty-nine".