70111702161 has 6 divisors (see below), whose sum is σ = 101272458690. Its totient is φ = 46741134768.

The previous prime is 70111702159. The next prime is 70111702163. The reversal of 70111702161 is 16120711107.

It is an interprime number because it is at equal distance from previous prime (70111702159) and next prime (70111702163).

It can be written as a sum of positive squares in only one way, i.e., 69303721536 + 807980625 = 263256^2 + 28425^2 .

It is not a de Polignac number, because 70111702161 - 2¹ = 70111702159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70111702163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3895094556 + ... + 3895094573.

It is an arithmetic number, because the mean of its divisors is an integer number (16878743115).

Almost surely, 2^70111702161 is an apocalyptic number.

It is an amenable number.

70111702161 is a deficient number, since it is larger than the sum of its proper divisors (31160756529).

70111702161 is a wasteful number, since it uses less digits than its factorization.

70111702161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790189135 (or 7790189132 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 27.

The spelling of 70111702161 in words is "seventy billion, one hundred eleven million, seven hundred two thousand, one hundred sixty-one".