70170044771711 has 2 divisors, whose sum is σ = 70170044771712. Its totient is φ = 70170044771710.

The previous prime is 70170044771683. The next prime is 70170044771713. The reversal of 70170044771711 is 11717744007107.

It is a strong prime.

It is an emirp because it is prime and its reverse (11717744007107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70170044771711 - 2³⁰ = 70168971029887 is a prime.

It is a super-2 number, since 2×70170044771711² (a number of 28 digits) contains 22 as substring.

Together with 70170044771713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70170044771713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35085022385855 + 35085022385856.

It is an arithmetic number, because the mean of its divisors is an integer number (35085022385856).

Almost surely, 2^{70170044771711} is an apocalyptic number.

70170044771711 is a deficient number, since it is larger than the sum of its proper divisors (1).

70170044771711 is an equidigital number, since it uses as much as digits as its factorization.

70170044771711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268912, while the sum is 47.

Adding to 70170044771711 its reverse (11717744007107), we get a palindrome (81887788778818).

The spelling of 70170044771711 in words is "seventy trillion, one hundred seventy billion, forty-four million, seven hundred seventy-one thousand, seven hundred eleven".