70112112056171 has 2 divisors, whose sum is σ = 70112112056172. Its totient is φ = 70112112056170.

The previous prime is 70112112056167. The next prime is 70112112056179. The reversal of 70112112056171 is 17165021121107.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70112112056171 - 2² = 70112112056167 is a prime.

It is not a weakly prime, because it can be changed into another prime (70112112056179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35056056028085 + 35056056028086.

It is an arithmetic number, because the mean of its divisors is an integer number (35056056028086).

Almost surely, 2^{70112112056171} is an apocalyptic number.

70112112056171 is a deficient number, since it is larger than the sum of its proper divisors (1).

70112112056171 is an equidigital number, since it uses as much as digits as its factorization.

70112112056171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 35.

Adding to 70112112056171 its reverse (17165021121107), we get a palindrome (87277133177278).

The spelling of 70112112056171 in words is "seventy trillion, one hundred twelve billion, one hundred twelve million, fifty-six thousand, one hundred seventy-one".