70051173171 has 48 divisors (see below), whose sum is σ = 112107534336. Its totient is φ = 38773292544.

The previous prime is 70051173167. The next prime is 70051173263. The reversal of 70051173171 is 17137115007.

It is not a de Polignac number, because 70051173171 - 2² = 70051173167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70051173371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 617910 + ... + 722436.

It is an arithmetic number, because the mean of its divisors is an integer number (2335573632).

Almost surely, 2^70051173171 is an apocalyptic number.

70051173171 is a deficient number, since it is larger than the sum of its proper divisors (42056361165).

70051173171 is a wasteful number, since it uses less digits than its factorization.

70051173171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104688 (or 104681 counting only the distinct ones).

The product of its (nonzero) digits is 5145, while the sum is 33.

Adding to 70051173171 its reverse (17137115007), we get a palindrome (87188288178).

The spelling of 70051173171 in words is "seventy billion, fifty-one million, one hundred seventy-three thousand, one hundred seventy-one".