11172647478383 has 2 divisors, whose sum is σ = 11172647478384. Its totient is φ = 11172647478382.

The previous prime is 11172647478373. The next prime is 11172647478413. The reversal of 11172647478383 is 38387474627111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11172647478383 - 2⁸ = 11172647478127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11172647478373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586323739191 + 5586323739192.

It is an arithmetic number, because the mean of its divisors is an integer number (5586323739192).

Almost surely, 2^{11172647478383} is an apocalyptic number.

11172647478383 is a deficient number, since it is larger than the sum of its proper divisors (1).

11172647478383 is an equidigital number, since it uses as much as digits as its factorization.

11172647478383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37933056, while the sum is 62.

The spelling of 11172647478383 in words is "eleven trillion, one hundred seventy-two billion, six hundred forty-seven million, four hundred seventy-eight thousand, three hundred eighty-three".