11071664371 has 2 divisors, whose sum is σ = 11071664372. Its totient is φ = 11071664370.

The previous prime is 11071664257. The next prime is 11071664407. The reversal of 11071664371 is 17346617011.

It is a strong prime.

It is an emirp because it is prime and its reverse (17346617011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11071664371 - 2¹¹ = 11071662323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11071664371.

It is not a weakly prime, because it can be changed into another prime (11071668371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535832185 + 5535832186.

It is an arithmetic number, because the mean of its divisors is an integer number (5535832186).

Almost surely, 2^11071664371 is an apocalyptic number.

11071664371 is a deficient number, since it is larger than the sum of its proper divisors (1).

11071664371 is an equidigital number, since it uses as much as digits as its factorization.

11071664371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 11071664371 in words is "eleven billion, seventy-one million, six hundred sixty-four thousand, three hundred seventy-one".