1011956717071 has 2 divisors, whose sum is σ = 1011956717072. Its totient is φ = 1011956717070.

The previous prime is 1011956717069. The next prime is 1011956717113. The reversal of 1011956717071 is 1707176591101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011956717071 - 2¹ = 1011956717069 is a prime.

Together with 1011956717069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011956717041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505978358535 + 505978358536.

It is an arithmetic number, because the mean of its divisors is an integer number (505978358536).

Almost surely, 2^{1011956717071} is an apocalyptic number.

1011956717071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011956717071 is an equidigital number, since it uses as much as digits as its factorization.

1011956717071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92610, while the sum is 46.

The spelling of 1011956717071 in words is "one trillion, eleven billion, nine hundred fifty-six million, seven hundred seventeen thousand, seventy-one".