11140064071 has 4 divisors (see below), whose sum is σ = 11306333752. Its totient is φ = 10973794392.

The previous prime is 11140064069. The next prime is 11140064077. The reversal of 11140064071 is 17046004111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17046004111 = 839 ⋅20317049.

It is not a de Polignac number, because 11140064071 - 2¹ = 11140064069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140064077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83134740 + ... + 83134873.

It is an arithmetic number, because the mean of its divisors is an integer number (2826583438).

Almost surely, 2^11140064071 is an apocalyptic number.

11140064071 is a deficient number, since it is larger than the sum of its proper divisors (166269681).

11140064071 is an equidigital number, since it uses as much as digits as its factorization.

11140064071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166269680.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 11140064071 its reverse (17046004111), we get a palindrome (28186068182).

The spelling of 11140064071 in words is "eleven billion, one hundred forty million, sixty-four thousand, seventy-one".