11847223315177 has 2 divisors, whose sum is σ = 11847223315178. Its totient is φ = 11847223315176.

The previous prime is 11847223315157. The next prime is 11847223315211. The reversal of 11847223315177 is 77151332274811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11220282409561 + 626940905616 = 3349669^2 + 791796^2 .

It is an emirp because it is prime and its reverse (77151332274811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11847223315177 is a prime.

It is not a weakly prime, because it can be changed into another prime (11847223315117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923611657588 + 5923611657589.

It is an arithmetic number, because the mean of its divisors is an integer number (5923611657589).

Almost surely, 2^{11847223315177} is an apocalyptic number.

It is an amenable number.

11847223315177 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847223315177 is an equidigital number, since it uses as much as digits as its factorization.

11847223315177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 52.

Adding to 11847223315177 its reverse (77151332274811), we get a palindrome (88998555589988).

The spelling of 11847223315177 in words is "eleven trillion, eight hundred forty-seven billion, two hundred twenty-three million, three hundred fifteen thousand, one hundred seventy-seven".