47168572045181 has 2 divisors, whose sum is σ = 47168572045182. Its totient is φ = 47168572045180.

The previous prime is 47168572045139. The next prime is 47168572045207. The reversal of 47168572045181 is 18154027586174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32027212429081 + 15141359616100 = 5659259^2 + 3891190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47168572045181 is a prime.

It is a super-2 number, since 2×47168572045181² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47168572045181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47168572045481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23584286022590 + 23584286022591.

It is an arithmetic number, because the mean of its divisors is an integer number (23584286022591).

Almost surely, 2^{47168572045181} is an apocalyptic number.

It is an amenable number.

47168572045181 is a deficient number, since it is larger than the sum of its proper divisors (1).

47168572045181 is an equidigital number, since it uses as much as digits as its factorization.

47168572045181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15052800, while the sum is 59.

The spelling of 47168572045181 in words is "forty-seven trillion, one hundred sixty-eight billion, five hundred seventy-two million, forty-five thousand, one hundred eighty-one".