129155068183 has 2 divisors, whose sum is σ = 129155068184. Its totient is φ = 129155068182.

The previous prime is 129155068169. The next prime is 129155068219. The reversal of 129155068183 is 381860551921.

It is a weak prime.

It is an emirp because it is prime and its reverse (381860551921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129155068183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129155068123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64577534091 + 64577534092.

It is an arithmetic number, because the mean of its divisors is an integer number (64577534092).

Almost surely, 2^129155068183 is an apocalyptic number.

129155068183 is a deficient number, since it is larger than the sum of its proper divisors (1).

129155068183 is an equidigital number, since it uses as much as digits as its factorization.

129155068183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 49.

The spelling of 129155068183 in words is "one hundred twenty-nine billion, one hundred fifty-five million, sixty-eight thousand, one hundred eighty-three".