11071642117 has 2 divisors, whose sum is σ = 11071642118. Its totient is φ = 11071642116.

The previous prime is 11071642111. The next prime is 11071642123. The reversal of 11071642117 is 71124617011.

It is a balanced prime because it is at equal distance from previous prime (11071642111) and next prime (11071642123).

It can be written as a sum of positive squares in only one way, i.e., 7117621956 + 3954020161 = 84366^2 + 62881^2 .

It is a cyclic number.

It is not a de Polignac number, because 11071642117 - 2⁷ = 11071641989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11071642111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535821058 + 5535821059.

It is an arithmetic number, because the mean of its divisors is an integer number (5535821059).

Almost surely, 2^11071642117 is an apocalyptic number.

It is an amenable number.

11071642117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11071642117 is an equidigital number, since it uses as much as digits as its factorization.

11071642117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 31.

The spelling of 11071642117 in words is "eleven billion, seventy-one million, six hundred forty-two thousand, one hundred seventeen".