173112071387 has 2 divisors, whose sum is σ = 173112071388. Its totient is φ = 173112071386.

The previous prime is 173112071383. The next prime is 173112071389. The reversal of 173112071387 is 783170211371.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 173112071387 - 2² = 173112071383 is a prime.

Together with 173112071389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (173112071383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86556035693 + 86556035694.

It is an arithmetic number, because the mean of its divisors is an integer number (86556035694).

Almost surely, 2^173112071387 is an apocalyptic number.

173112071387 is a deficient number, since it is larger than the sum of its proper divisors (1).

173112071387 is an equidigital number, since it uses as much as digits as its factorization.

173112071387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 173112071387 in words is "one hundred seventy-three billion, one hundred twelve million, seventy-one thousand, three hundred eighty-seven".