70111717169 has 16 divisors (see below), whose sum is σ = 79955401680. Its totient is φ = 60904673280.

The previous prime is 70111717153. The next prime is 70111717211. The reversal of 70111717169 is 96171711107.

It can be written as a sum of positive squares in 8 ways, for example, as 620944 + 70111096225 = 788^2 + 264785^2 .

It is not a de Polignac number, because 70111717169 - 2⁴ = 70111717153 is a prime.

It is a super-2 number, since 2×70111717169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70111717069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3607859 + ... + 3627239.

It is an arithmetic number, because the mean of its divisors is an integer number (4997212605).

Almost surely, 2^70111717169 is an apocalyptic number.

It is an amenable number.

70111717169 is a deficient number, since it is larger than the sum of its proper divisors (9843684511).

70111717169 is a wasteful number, since it uses less digits than its factorization.

70111717169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35780.

The product of its (nonzero) digits is 18522, while the sum is 41.

The spelling of 70111717169 in words is "seventy billion, one hundred eleven million, seven hundred seventeen thousand, one hundred sixty-nine".