168111283472047 has 2 divisors, whose sum is σ = 168111283472048. Its totient is φ = 168111283472046.

The previous prime is 168111283471993. The next prime is 168111283472101. The reversal of 168111283472047 is 740274382111861.

It is a balanced prime because it is at equal distance from previous prime (168111283471993) and next prime (168111283472101).

It is a cyclic number.

It is not a de Polignac number, because 168111283472047 - 2⁷ = 168111283471919 is a prime.

It is a super-2 number, since 2×168111283472047² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168111283482047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84055641736023 + 84055641736024.

It is an arithmetic number, because the mean of its divisors is an integer number (84055641736024).

Almost surely, 2^{168111283472047} is an apocalyptic number.

168111283472047 is a deficient number, since it is larger than the sum of its proper divisors (1).

168111283472047 is an equidigital number, since it uses as much as digits as its factorization.

168111283472047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 168111283472047 in words is "one hundred sixty-eight trillion, one hundred eleven billion, two hundred eighty-three million, four hundred seventy-two thousand, forty-seven".